Merge remote-tracking branch 'origin/develop' into monotonic_timer

20 files changed, 515 insertions, 420 deletions

diff --git a/java/examples/CMakeLists.txt b/java/examples/CMakeLists.txt
index a1a7483..3412c40 100644
--- a/java/examples/CMakeLists.txt
+++ b/java/examples/CMakeLists.txt
@@ -1,7 +1,7 @@
-cmake_minimum_required (VERSION 3.2.2)
-PROJECT (HDFJAVA_EXAMPLES)
+cmake_minimum_required (VERSION 3.12)
+project (HDFJAVA_EXAMPLES Java)
 
-add_subdirectory (${HDFJAVA_EXAMPLES_SOURCE_DIR}/datasets     datasets)
-add_subdirectory (${HDFJAVA_EXAMPLES_SOURCE_DIR}/datatypes   datatypes)
-add_subdirectory (${HDFJAVA_EXAMPLES_SOURCE_DIR}/groups      groups)
-add_subdirectory (${HDFJAVA_EXAMPLES_SOURCE_DIR}/intro       intro)
+add_subdirectory (datasets)
+add_subdirectory (datatypes)
+add_subdirectory (groups)
+add_subdirectory (intro)
diff --git a/java/examples/Makefile.am b/java/examples/Makefile.am
index 8ca49f2..054407c 100644
--- a/java/examples/Makefile.am
+++ b/java/examples/Makefile.am
@@ -10,7 +10,7 @@
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
-# 
+#
 # This makefile mostly just reinvokes make in the various subdirectories
 # but does so in the correct order.  You can alternatively invoke make from
 # each subdirectory manually.
diff --git a/java/examples/datasets/CMakeLists.txt b/java/examples/datasets/CMakeLists.txt
index d698cfd..fc4acc4 100644
--- a/java/examples/datasets/CMakeLists.txt
+++ b/java/examples/datasets/CMakeLists.txt
@@ -1,13 +1,8 @@
-cmake_minimum_required (VERSION 3.2.2)
-PROJECT (HDFJAVA_EXAMPLES_DATASETS Java)
+cmake_minimum_required (VERSION 3.12)
+project (HDFJAVA_EXAMPLES_DATASETS Java)
 
 set (CMAKE_VERBOSE_MAKEFILE 1)
 
-INCLUDE_DIRECTORIES (
-    ${HDF5_JAVA_JNI_BINARY_DIR}
-    ${HDF5_JAVA_HDF5_LIB_DIR}
-)
-
 set (HDF_JAVA_EXAMPLES
     H5Ex_D_Alloc
     H5Ex_D_Checksum
@@ -15,13 +10,9 @@ set (HDF_JAVA_EXAMPLES
     H5Ex_D_Compact
     H5Ex_D_External
     H5Ex_D_FillValue
-    H5Ex_D_Gzip
     H5Ex_D_Hyperslab
     H5Ex_D_ReadWrite
-    H5Ex_D_Shuffle
-    H5Ex_D_Szip
     H5Ex_D_UnlimitedAdd
-    H5Ex_D_UnlimitedGzip
     H5Ex_D_UnlimitedMod
     H5Ex_D_Nbit
     H5Ex_D_Transform
@@ -29,7 +20,26 @@ set (HDF_JAVA_EXAMPLES
     H5Ex_D_Soint
 )
 
-if (WIN32)
+set (HDF_JAVA_ZLIB_EXAMPLES
+    H5Ex_D_Gzip
+    H5Ex_D_Shuffle
+    H5Ex_D_UnlimitedGzip
+)
+
+set (HDF_JAVA_SZIP_EXAMPLES
+    H5Ex_D_Szip
+)
+
+# detect whether the encoder is present.
+  if (H5_HAVE_FILTER_DEFLATE)
+    set (${HDF_JAVA_EXAMPLES} ${HDF_JAVA_EXAMPLES} ${HDF_JAVA_ZLIB_EXAMPLES})
+  endif ()
+
+  if (H5_HAVE_FILTER_SZIP)
+    set (${HDF_JAVA_EXAMPLES} ${HDF_JAVA_EXAMPLES} ${HDF_JAVA_SZIP_EXAMPLES})
+  endif (H5_HAVE_FILTER_SZIP)
+
+if (WIN32 OR MINGW)
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ";")
 else ()
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ":")
@@ -61,81 +71,49 @@ foreach (HDFJAVA_JAR ${CMAKE_JAVA_INCLUDE_PATH})
   set (CMAKE_JAVA_CLASSPATH "${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${HDFJAVA_JAR}")
 endforeach ()
 
-MACRO (ADD_H5_TEST resultfile resultcode)
-  if (CMAKE_BUILD_TYPE MATCHES Debug)
-    if (WIN32)
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_D;")
-    else ()
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_debug;")
-    endif ()
-  endif ()
-  add_test (
-      NAME JAVA_datasets-${resultfile}
-      COMMAND "${CMAKE_COMMAND}"
-          -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
-          -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${resultfile}_JAR_FILE}"
-          -D "TEST_ARGS:STRING=${CMD_ARGS}${ARGN}"
-          -D "TEST_PROGRAM=examples.datasets.${resultfile}"
-          -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
-          -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
-          -D "TEST_OUTPUT=datasets/${resultfile}.out"
-          -D "TEST_EXPECT=${resultcode}"
-          -D "TEST_REFERENCE=datasets/${resultfile}.txt"
-          -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
-  )
-  if (NOT "${last_test}" STREQUAL "")
-    set_tests_properties (JAVA_datasets-${resultfile} PROPERTIES DEPENDS ${last_test})
-  endif ()
-  set (last_test "JAVA_datasets-${resultfile}")
-ENDMACRO ()
-
-if (BUILD_TESTING)
-
-# detect whether the encoder is present.
-  if (H5_HAVE_FILTER_DEFLATE)
-    set (USE_FILTER_DEFLATE "true")
-  endif ()
-
-  if (H5_HAVE_FILTER_SZIP)
-    set (USE_FILTER_SZIP "true")
-  endif (H5_HAVE_FILTER_SZIP)
+if (BUILD_TESTING AND HDF5_TEST_EXAMPLES AND HDF5_TEST_SERIAL)
+  get_property (target_name TARGET ${HDF5_JAVA_JNI_LIB_TARGET} PROPERTY OUTPUT_NAME)
+  set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=${target_name}$<$<CONFIG:Debug>:${CMAKE_DEBUG_POSTFIX}>;")
 
   foreach (example ${HDF_JAVA_EXAMPLES})
-    if (${example} STREQUAL "H5Ex_D_External")
+    if (example STREQUAL "H5Ex_D_External")
       add_test (
           NAME JAVA_datasets-${example}-clear-objects
-          COMMAND    ${CMAKE_COMMAND}
-              -E remove
+          COMMAND ${CMAKE_COMMAND} -E remove
               ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
               ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.data
       )
     else ()
       add_test (
           NAME JAVA_datasets-${example}-clear-objects
-          COMMAND    ${CMAKE_COMMAND}
-              -E remove
-              ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
+          COMMAND ${CMAKE_COMMAND} -E remove ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
       )
     endif ()
-    if (NOT "${last_test}" STREQUAL "")
-      set_tests_properties (JAVA_datasets-${example}-clear-objects PROPERTIES DEPENDS ${last_test})
-    endif ()
+
     add_test (
         NAME JAVA_datasets-${example}-copy-objects
-        COMMAND    ${CMAKE_COMMAND}
-            -E copy_if_different
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
             ${HDFJAVA_EXAMPLES_SOURCE_DIR}/testfiles/examples.datasets.${example}.txt
             ${HDFJAVA_EXAMPLES_DATASETS_BINARY_DIR}/${example}.txt
     )
     set_tests_properties (JAVA_datasets-${example}-copy-objects PROPERTIES DEPENDS JAVA_datasets-${example}-clear-objects)
-    set (last_test "JAVA_datasets-${example}-copy-objects")
-    if (${example} STREQUAL "H5Ex_D_Szip")
-      if (USE_FILTER_SZIP)
-        ADD_H5_TEST (${example} 0)
-      endif ()
-    else ()
-      ADD_H5_TEST (${example} 0)
-    endif ()
 
+    add_test (
+        NAME JAVA_datasets-${example}
+        COMMAND "${CMAKE_COMMAND}"
+            -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
+            -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${example}_JAR_FILE}"
+            -D "TEST_ARGS:STRING=${CMD_ARGS}"
+            -D "TEST_PROGRAM=examples.datasets.${example}"
+            -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
+            -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
+            -D "TEST_OUTPUT=datasets/${example}.out"
+            -D "TEST_EXPECT=0"
+            -D "TEST_REFERENCE=datasets/${example}.txt"
+            -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
+    )
+    set_tests_properties (JAVA_datasets-${example} PROPERTIES
+        DEPENDS JAVA_datasets-${example}-copy-objects
+    )
   endforeach ()
 endif ()
diff --git a/java/examples/datasets/runExample.sh.in b/java/examples/datasets/JavaDatasetExample.sh.in
index 21c3439..ae79416 100644
--- a/java/examples/datasets/runExample.sh.in
+++ b/java/examples/datasets/JavaDatasetExample.sh.in
@@ -52,12 +52,14 @@ test -d $BLDLIBDIR || mkdir -p $BLDLIBDIR
 #       Comment '#' without space can be used.
 # --------------------------------------------------------------------
 LIST_LIBRARY_FILES="
-$HDFLIB_HOME/slf4j-api-1.7.5.jar
-$HDFLIB_HOME/ext/slf4j-simple-1.7.5.jar
 $top_builddir/src/.libs/libhdf5.*
 $top_builddir/java/src/jni/.libs/libhdf5_java.*
 $top_builddir/java/src/$JARFILE
 "
+LIST_JAR_TESTFILES="
+$HDFLIB_HOME/slf4j-api-1.7.25.jar
+$HDFLIB_HOME/ext/slf4j-simple-1.7.25.jar
+"
 LIST_DATA_FILES="
 $HDFTEST_HOME/../testfiles/examples.datasets.H5Ex_D_Alloc.txt
 $HDFTEST_HOME/../testfiles/examples.datasets.H5Ex_D_Checksum.txt
@@ -83,6 +85,7 @@ $HDFTEST_HOME/../testfiles/examples.datasets.H5Ex_D_Soint.txt
 # copy files from source dirs to test dir
 #
 COPY_LIBFILES="$LIST_LIBRARY_FILES"
+COPY_JARTESTFILES="$LIST_JAR_TESTFILES"
 
 COPY_LIBFILES_TO_BLDLIBDIR()
 {
@@ -110,6 +113,30 @@ COPY_LIBFILES_TO_BLDLIBDIR()
             fi
         fi
     done
+    # copy jar files. Used -f to make sure get a new copy
+    for tstfile in $COPY_JARTESTFILES
+    do
+        # ignore '#' comment
+        echo $tstfile | tr -d ' ' | grep '^#' > /dev/null
+        RET=$?
+        if [ $RET -eq 1 ]; then
+            # skip cp if srcdir is same as destdir
+            # this occurs when build/test performed in source dir and
+            # make cp fail
+            SDIR=`$DIRNAME $tstfile`
+            INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
+            INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
+            if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
+                $CP -f $tstfile $BLDLIBDIR
+                if [ $? -ne 0 ]; then
+                    echo "Error: FAILED to copy $tstfile ."
+
+                    # Comment out this to CREATE expected file
+                    exit $EXIT_FAILURE
+                fi
+            fi
+        fi
+    done
 }
 
 CLEAN_LIBFILES_AND_BLDLIBDIR()
@@ -117,11 +144,14 @@ CLEAN_LIBFILES_AND_BLDLIBDIR()
     # skip rm if srcdir is same as destdir
     # this occurs when build/test performed in source dir and
     # make cp fail
-    SDIR=`$DIRNAME $HDFLIB_HOME/slf4j-api-1.7.5.jar`
+    SDIR=$HDFLIB_HOME
     INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
     INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
     if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
-        $RM $BLDLIBDIR
+        for tstfile in $COPY_JARTESTFILES
+        do
+            $RM $BLDLIBDIR/tstfile
+        done
     fi
 }
 
@@ -183,7 +213,7 @@ JAVAEXEFLAGS=@H5_JAVAFLAGS@
 COPY_LIBFILES_TO_BLDLIBDIR
 COPY_DATAFILES_TO_BLDDIR
 
-CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.5.jar:"$BLDLIBDIR"/slf4j-simple-1.7.5.jar:"$TESTJARFILE""
+CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.25.jar:"$BLDLIBDIR"/slf4j-simple-1.7.25.jar:"$TESTJARFILE""
 
 TEST=/usr/bin/test
 if [ ! -x /usr/bin/test ]
@@ -215,20 +245,18 @@ if $TEST -z "$LD_LIBRARY_PATH" ; then
 fi
 
 case  $os_name in
-    Darwin)
-    DYLD_LIBRARY_PATH=$BLDLIBDIR:$DYLD_LIBRARY_PATH
-    export DYLD_LIBRARY_PATH
-    LD_LIBRARY_PATH=$DYLD_LIBRARY_PATH
-    ;;
     *)
     LD_LIBRARY_PATH=$BLDLIBDIR:$LD_LIBRARY_PATH
-        ;;
+    ;;
 esac
 
 export LD_LIBRARY_PATH
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Alloc"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Alloc > H5Ex_D_Alloc.out)
+TESTING examples.datasets.H5Ex_D_Alloc
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Alloc > H5Ex_D_Alloc.out
+)
 if diff H5Ex_D_Alloc.out examples.datasets.H5Ex_D_Alloc.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Alloc"
 else
@@ -237,7 +265,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Checksum"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Checksum > H5Ex_D_Checksum.out)
+TESTING examples.datasets.H5Ex_D_Checksum
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Checksum > H5Ex_D_Checksum.out
+)
 if diff H5Ex_D_Checksum.out examples.datasets.H5Ex_D_Checksum.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Checksum"
 else
@@ -246,7 +277,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Chunk"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Chunk > H5Ex_D_Chunk.out)
+TESTING examples.datasets.H5Ex_D_Chunk
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Chunk > H5Ex_D_Chunk.out
+)
 if diff H5Ex_D_Chunk.out examples.datasets.H5Ex_D_Chunk.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Chunk"
 else
@@ -255,7 +289,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Compact"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Compact > H5Ex_D_Compact.out)
+TESTING examples.datasets.H5Ex_D_Compact
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Compact > H5Ex_D_Compact.out
+)
 if diff H5Ex_D_Compact.out examples.datasets.H5Ex_D_Compact.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Compact"
 else
@@ -264,7 +301,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_External"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_External > H5Ex_D_External.out)
+TESTING examples.datasets.H5Ex_D_External
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_External > H5Ex_D_External.out
+)
 if diff H5Ex_D_External.out examples.datasets.H5Ex_D_External.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_External"
 else
@@ -273,7 +313,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_FillValue"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_FillValue > H5Ex_D_FillValue.out)
+TESTING examples.datasets.H5Ex_D_FillValue
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_FillValue > H5Ex_D_FillValue.out
+)
 if diff H5Ex_D_FillValue.out examples.datasets.H5Ex_D_FillValue.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_FillValue"
 else
@@ -281,17 +324,25 @@ else
     nerrors="`expr $nerrors + 1`"
 fi
 
-echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Gzip"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Gzip > H5Ex_D_Gzip.out)
-if diff H5Ex_D_Gzip.out examples.datasets.H5Ex_D_Gzip.txt > /dev/null; then
-    echo "  PASSED      datasets.H5Ex_D_Gzip"
-else
-    echo "**FAILED**    datasets.H5Ex_D_Gzip"
-    nerrors="`expr $nerrors + 1`"
+if test $USE_FILTER_DEFLATE = "yes"; then
+    echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Gzip"
+    TESTING examples.datasets.H5Ex_D_Gzip
+    (
+    $RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Gzip > H5Ex_D_Gzip.out
+    )
+    if diff H5Ex_D_Gzip.out examples.datasets.H5Ex_D_Gzip.txt > /dev/null; then
+        echo "  PASSED      datasets.H5Ex_D_Gzip"
+    else
+        echo "**FAILED**    datasets.H5Ex_D_Gzip"
+        nerrors="`expr $nerrors + 1`"
+    fi
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Hyperslab"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Hyperslab > H5Ex_D_Hyperslab.out)
+TESTING examples.datasets.H5Ex_D_Hyperslab
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Hyperslab > H5Ex_D_Hyperslab.out
+)
 if diff H5Ex_D_Hyperslab.out examples.datasets.H5Ex_D_Hyperslab.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Hyperslab"
 else
@@ -300,7 +351,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_ReadWrite"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_ReadWrite > H5Ex_D_ReadWrite.out)
+TESTING examples.datasets.H5Ex_D_ReadWrite
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_ReadWrite > H5Ex_D_ReadWrite.out
+)
 if diff H5Ex_D_ReadWrite.out examples.datasets.H5Ex_D_ReadWrite.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_ReadWrite"
 else
@@ -308,18 +362,26 @@ else
     nerrors="`expr $nerrors + 1`"
 fi
 
-echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Shuffle"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Shuffle > H5Ex_D_Shuffle.out)
-if diff H5Ex_D_Shuffle.out examples.datasets.H5Ex_D_Shuffle.txt > /dev/null; then
-    echo "  PASSED      datasets.H5Ex_D_Shuffle"
-else
-    echo "**FAILED**    datasets.H5Ex_D_Shuffle"
-    nerrors="`expr $nerrors + 1`"
+if test $USE_FILTER_DEFLATE = "yes"; then
+    echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Shuffle"
+    TESTING examples.datasets.H5Ex_D_Shuffle
+    (
+    $RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Shuffle > H5Ex_D_Shuffle.out
+    )
+    if diff H5Ex_D_Shuffle.out examples.datasets.H5Ex_D_Shuffle.txt > /dev/null; then
+        echo "  PASSED      datasets.H5Ex_D_Shuffle"
+    else
+        echo "**FAILED**    datasets.H5Ex_D_Shuffle"
+        nerrors="`expr $nerrors + 1`"
+    fi
 fi
 
 if test $USE_FILTER_SZIP = "yes"; then
     echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Szip"
-    ($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Szip > H5Ex_D_Szip.out)
+    TESTING examples.datasets.H5Ex_D_Szip
+    (
+    $RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Szip > H5Ex_D_Szip.out
+    )
     if diff H5Ex_D_Szip.out examples.datasets.H5Ex_D_Szip.txt > /dev/null; then
         echo "  PASSED      datasets.H5Ex_D_Szip"
     else
@@ -329,7 +391,10 @@ if test $USE_FILTER_SZIP = "yes"; then
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedAdd"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedAdd > H5Ex_D_UnlimitedAdd.out)
+TESTING examples.datasets.H5Ex_D_UnlimitedAdd
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedAdd > H5Ex_D_UnlimitedAdd.out
+)
 if diff H5Ex_D_UnlimitedAdd.out examples.datasets.H5Ex_D_UnlimitedAdd.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_UnlimitedAdd"
 else
@@ -338,7 +403,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedGzip"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedGzip > H5Ex_D_UnlimitedGzip.out)
+TESTING examples.datasets.H5Ex_D_UnlimitedGzip
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedGzip > H5Ex_D_UnlimitedGzip.out
+)
 if diff H5Ex_D_External.out examples.datasets.H5Ex_D_External.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_UnlimitedGzip"
 else
@@ -347,7 +415,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedMod"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedMod > H5Ex_D_UnlimitedMod.out)
+TESTING examples.datasets.H5Ex_D_UnlimitedMod
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_UnlimitedMod > H5Ex_D_UnlimitedMod.out
+)
 if diff H5Ex_D_UnlimitedMod.out examples.datasets.H5Ex_D_UnlimitedMod.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_UnlimitedMod"
 else
@@ -356,7 +427,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Nbit"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Nbit > H5Ex_D_Nbit.out)
+TESTING examples.datasets.H5Ex_D_Nbit
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Nbit > H5Ex_D_Nbit.out
+)
 if diff H5Ex_D_Nbit.out examples.datasets.H5Ex_D_Nbit.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Nbit"
 else
@@ -365,7 +439,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Transform"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Transform > H5Ex_D_Transform.out)
+TESTING examples.datasets.H5Ex_D_Transform
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Transform > H5Ex_D_Transform.out
+)
 if diff H5Ex_D_Transform.out examples.datasets.H5Ex_D_Transform.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Transform"
 else
@@ -374,7 +451,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Sofloat"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Sofloat > H5Ex_D_Sofloat.out)
+TESTING examples.datasets.H5Ex_D_Sofloat
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Sofloat > H5Ex_D_Sofloat.out
+)
 if diff H5Ex_D_Sofloat.out examples.datasets.H5Ex_D_Sofloat.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Sofloat"
 else
@@ -383,7 +463,10 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Soint"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Soint > H5Ex_D_Soint.out)
+TESTING examples.datasets.H5Ex_D_Soint
+(
+$RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datasets.H5Ex_D_Soint > H5Ex_D_Soint.out
+)
 if diff H5Ex_D_Soint.out examples.datasets.H5Ex_D_Soint.txt > /dev/null; then
     echo "  PASSED      datasets.H5Ex_D_Soint"
 else
diff --git a/java/examples/datasets/Makefile.am b/java/examples/datasets/Makefile.am
index 18100a6..c5b8a5d 100644
--- a/java/examples/datasets/Makefile.am
+++ b/java/examples/datasets/Makefile.am
@@ -28,13 +28,13 @@ classes:
 
 pkgpath = examples/datasets
 hdfjarfile = jar$(PACKAGE_TARNAME)-$(PACKAGE_VERSION).jar
-CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.5.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.5.jar:$$CLASSPATH
+CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.25.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.25.jar:$$CLASSPATH
 
 jarfile = jar$(PACKAGE_TARNAME)datasets.jar
 
 AM_JAVACFLAGS = $(H5_JAVACFLAGS) -deprecation
 
-TESTPACKAGE = 
+TESTPACKAGE =
 
 noinst_JAVA = \
 	H5Ex_D_Alloc.java \
@@ -63,10 +63,10 @@ noinst_DATA = $(jarfile)
 
 .PHONY: classes
 
-check_SCRIPTS = runExample.sh
+check_SCRIPTS = JavaDatasetExample.sh
 TEST_SCRIPT = $(check_SCRIPTS)
 
-CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class runExample.sh
+CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class JavaDatasetExample.sh
 
 clean:
 	rm -rf $(JAVAROOT)/*
diff --git a/java/examples/datatypes/CMakeLists.txt b/java/examples/datatypes/CMakeLists.txt
index 8569b8b..bd4f483 100644
--- a/java/examples/datatypes/CMakeLists.txt
+++ b/java/examples/datatypes/CMakeLists.txt
@@ -1,13 +1,8 @@
-cmake_minimum_required (VERSION 3.2.2)
-PROJECT (HDFJAVA_EXAMPLES_DATATYPES Java)
+cmake_minimum_required (VERSION 3.12)
+project (HDFJAVA_EXAMPLES_DATATYPES Java)
 
 set (CMAKE_VERBOSE_MAKEFILE 1)
 
-INCLUDE_DIRECTORIES (
-    ${HDF5_JAVA_JNI_BINARY_DIR}
-    ${HDF5_JAVA_HDF5_LIB_DIR}
-)
-
 set (HDF_JAVA_EXAMPLES
     H5Ex_T_Array
     H5Ex_T_ArrayAttribute
@@ -29,7 +24,7 @@ set (HDF_JAVA_EXAMPLES
     H5Ex_T_VLString
 )
 
-if (WIN32)
+if (WIN32 OR MINGW)
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ";")
 else ()
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ":")
@@ -61,54 +56,39 @@ foreach (HDFJAVA_JAR ${CMAKE_JAVA_INCLUDE_PATH})
   set (CMAKE_JAVA_CLASSPATH "${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${HDFJAVA_JAR}")
 endforeach ()
 
-MACRO (ADD_H5_TEST resultfile resultcode)
-  if (CMAKE_BUILD_TYPE MATCHES Debug)
-    if (WIN32)
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_D;")
-    else ()
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_debug;")
-    endif ()
-  endif ()
-  add_test (
-      NAME JAVA_datatypes-${resultfile}
-      COMMAND "${CMAKE_COMMAND}"
-          -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
-          -D "TEST_PROGRAM=examples.datatypes.${resultfile}"
-          -D "TEST_ARGS:STRING=${CMD_ARGS}${ARGN}"
-          -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${resultfile}_JAR_FILE}"
-          -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
-          -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
-          -D "TEST_OUTPUT=datatypes/${resultfile}.out"
-          -D "TEST_EXPECT=${resultcode}"
-          -D "TEST_REFERENCE=datatypes/${resultfile}.txt"
-          -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
-  )
-  if (NOT "${last_test}" STREQUAL "")
-    set_tests_properties (JAVA_datatypes-${resultfile} PROPERTIES DEPENDS ${last_test})
-  endif ()
-  set (last_test "JAVA_datatypes-${resultfile}")
-ENDMACRO ()
+if (BUILD_TESTING AND HDF5_TEST_EXAMPLES AND HDF5_TEST_SERIAL)
+  get_property (target_name TARGET ${HDF5_JAVA_JNI_LIB_TARGET} PROPERTY OUTPUT_NAME)
+  set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=${target_name}$<$<CONFIG:Debug>:${CMAKE_DEBUG_POSTFIX}>;")
 
-if (BUILD_TESTING)
   foreach (example ${HDF_JAVA_EXAMPLES})
     add_test (
         NAME JAVA_datatypes-${example}-clear-objects
-        COMMAND    ${CMAKE_COMMAND}
-            -E remove
-            ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
+        COMMAND ${CMAKE_COMMAND} -E remove ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
     )
-    if (NOT "${last_test}" STREQUAL "")
-      set_tests_properties (JAVA_datatypes-${example}-clear-objects PROPERTIES DEPENDS ${last_test})
-    endif ()
+
     add_test (
         NAME JAVA_datatypes-${example}-copy-objects
-        COMMAND    ${CMAKE_COMMAND}
-            -E copy_if_different
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
             ${HDFJAVA_EXAMPLES_SOURCE_DIR}/testfiles/examples.datatypes.${example}.txt
             ${HDFJAVA_EXAMPLES_DATATYPES_BINARY_DIR}/${example}.txt
     )
     set_tests_properties (JAVA_datatypes-${example}-copy-objects PROPERTIES DEPENDS JAVA_datatypes-${example}-clear-objects)
-    set (last_test "JAVA_datatypes-${example}-copy-objects")
-    ADD_H5_TEST (${example} 0)
+    add_test (
+        NAME JAVA_datatypes-${example}
+        COMMAND "${CMAKE_COMMAND}"
+            -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
+            -D "TEST_PROGRAM=examples.datatypes.${example}"
+            -D "TEST_ARGS:STRING=${CMD_ARGS}"
+            -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${example}_JAR_FILE}"
+            -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
+            -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
+            -D "TEST_OUTPUT=datatypes/${example}.out"
+            -D "TEST_EXPECT=0"
+            -D "TEST_REFERENCE=datatypes/${example}.txt"
+            -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
+    )
+    set_tests_properties (JAVA_datatypes-${example} PROPERTIES
+        DEPENDS JAVA_datatypes-${example}-copy-objects
+    )
   endforeach ()
 endif ()
diff --git a/java/examples/datatypes/H5Ex_T_Float.java b/java/examples/datatypes/H5Ex_T_Float.java
index f677479..f15f774 100644
--- a/java/examples/datatypes/H5Ex_T_Float.java
+++ b/java/examples/datatypes/H5Ex_T_Float.java
@@ -22,6 +22,8 @@
 package examples.datatypes;
 
 import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.util.Locale;
 
 import hdf.hdf5lib.H5;
 import hdf.hdf5lib.HDF5Constants;
@@ -173,7 +175,7 @@ public class H5Ex_T_Float {
         }
 
         // Output the data to the screen.
-        DecimalFormat df = new DecimalFormat("#,##0.0000");
+        DecimalFormat df = new DecimalFormat("#,##0.0000", new DecimalFormatSymbols(Locale.US));
         System.out.println(DATASETNAME + ":");
         for (int indx = 0; indx < dims[0]; indx++) {
             System.out.print(" [");
diff --git a/java/examples/datatypes/H5Ex_T_FloatAttribute.java b/java/examples/datatypes/H5Ex_T_FloatAttribute.java
index 2e706d9..12831bc 100644
--- a/java/examples/datatypes/H5Ex_T_FloatAttribute.java
+++ b/java/examples/datatypes/H5Ex_T_FloatAttribute.java
@@ -22,6 +22,8 @@
 package examples.datatypes;
 
 import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.util.Locale;
 
 import hdf.hdf5lib.H5;
 import hdf.hdf5lib.HDF5Constants;
@@ -201,7 +203,7 @@ public class H5Ex_T_FloatAttribute {
         }
 
         // Output the data to the screen.
-        DecimalFormat df = new DecimalFormat("#,##0.0000");
+        DecimalFormat df = new DecimalFormat("#,##0.0000", new DecimalFormatSymbols(Locale.US));
         System.out.println(ATTRIBUTENAME + ":");
         for (int indx = 0; indx < dims[0]; indx++) {
             System.out.print(" [");
diff --git a/java/examples/datatypes/runExample.sh.in b/java/examples/datatypes/JavaDatatypeExample.sh.in
index 32e9ade..447512a 100644
--- a/java/examples/datatypes/runExample.sh.in
+++ b/java/examples/datatypes/JavaDatatypeExample.sh.in
@@ -49,12 +49,14 @@ test -d $BLDLIBDIR || mkdir -p $BLDLIBDIR
 #       Comment '#' without space can be used.
 # --------------------------------------------------------------------
 LIST_LIBRARY_FILES="
-$HDFLIB_HOME/slf4j-api-1.7.5.jar
-$HDFLIB_HOME/ext/slf4j-simple-1.7.5.jar
 $top_builddir/src/.libs/libhdf5.*
 $top_builddir/java/src/jni/.libs/libhdf5_java.*
 $top_builddir/java/src/$JARFILE
 "
+LIST_JAR_TESTFILES="
+$HDFLIB_HOME/slf4j-api-1.7.25.jar
+$HDFLIB_HOME/ext/slf4j-simple-1.7.25.jar
+"
 LIST_DATA_FILES="
 $HDFTEST_HOME/../testfiles/examples.datatypes.H5Ex_T_Array.txt
 $HDFTEST_HOME/../testfiles/examples.datatypes.H5Ex_T_ArrayAttribute.txt
@@ -80,6 +82,7 @@ $HDFTEST_HOME/../testfiles/examples.datatypes.H5Ex_T_VLString.txt
 # copy files from source dirs to test dir
 #
 COPY_LIBFILES="$LIST_LIBRARY_FILES"
+COPY_JARTESTFILES="$LIST_JAR_TESTFILES"
 
 COPY_LIBFILES_TO_BLDLIBDIR()
 {
@@ -107,6 +110,30 @@ COPY_LIBFILES_TO_BLDLIBDIR()
             fi
         fi
     done
+    # copy jar files. Used -f to make sure get a new copy
+    for tstfile in $COPY_JARTESTFILES
+    do
+        # ignore '#' comment
+        echo $tstfile | tr -d ' ' | grep '^#' > /dev/null
+        RET=$?
+        if [ $RET -eq 1 ]; then
+            # skip cp if srcdir is same as destdir
+            # this occurs when build/test performed in source dir and
+            # make cp fail
+            SDIR=`$DIRNAME $tstfile`
+            INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
+            INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
+            if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
+                $CP -f $tstfile $BLDLIBDIR
+                if [ $? -ne 0 ]; then
+                    echo "Error: FAILED to copy $tstfile ."
+
+                    # Comment out this to CREATE expected file
+                    exit $EXIT_FAILURE
+                fi
+            fi
+        fi
+    done
 }
 
 CLEAN_LIBFILES_AND_BLDLIBDIR()
@@ -114,11 +141,14 @@ CLEAN_LIBFILES_AND_BLDLIBDIR()
     # skip rm if srcdir is same as destdir
     # this occurs when build/test performed in source dir and
     # make cp fail
-    SDIR=`$DIRNAME $HDFLIB_HOME/slf4j-api-1.7.5.jar`
+    SDIR=$HDFLIB_HOME
     INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
     INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
     if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
-        $RM $BLDLIBDIR
+        for tstfile in $COPY_JARTESTFILES
+        do
+            $RM $BLDLIBDIR/tstfile
+        done
     fi
 }
 
@@ -179,7 +209,7 @@ JAVAEXEFLAGS=@H5_JAVAFLAGS@
 COPY_LIBFILES_TO_BLDLIBDIR
 COPY_DATAFILES_TO_BLDDIR
 
-CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.5.jar:"$BLDLIBDIR"/slf4j-simple-1.7.5.jar:"$TESTJARFILE""
+CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.25.jar:"$BLDLIBDIR"/slf4j-simple-1.7.25.jar:"$TESTJARFILE""
 
 TEST=/usr/bin/test
 if [ ! -x /usr/bin/test ]
@@ -211,11 +241,6 @@ if $TEST -z "$LD_LIBRARY_PATH" ; then
 fi
 
 case  $os_name in
-    Darwin)
-    DYLD_LIBRARY_PATH=$BLDLIBDIR:$DYLD_LIBRARY_PATH
-    export DYLD_LIBRARY_PATH
-    LD_LIBRARY_PATH=$DYLD_LIBRARY_PATH
-    ;;
     *)
     LD_LIBRARY_PATH=$BLDLIBDIR:$LD_LIBRARY_PATH
     ;;
@@ -224,7 +249,8 @@ esac
 export LD_LIBRARY_PATH
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Array"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Array > H5Ex_T_Array.out)
+TESTING examples.datatypes.H5Ex_T_Array
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Array > H5Ex_T_Array.out)
 if diff H5Ex_T_Array.out examples.datatypes.H5Ex_T_Array.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_Array"
 else
@@ -233,7 +259,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ArrayAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ArrayAttribute > H5Ex_T_ArrayAttribute.out)
+TESTING examples.datatypes.H5Ex_T_ArrayAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ArrayAttribute > H5Ex_T_ArrayAttribute.out)
 if diff H5Ex_T_ArrayAttribute.out examples.datatypes.H5Ex_T_ArrayAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_ArrayAttribute"
 else
@@ -242,7 +269,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Bit"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Bit > H5Ex_T_Bit.out)
+TESTING examples.datatypes.H5Ex_T_Bit
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Bit > H5Ex_T_Bit.out)
 if diff H5Ex_T_Bit.out examples.datatypes.H5Ex_T_Bit.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_Bit"
 else
@@ -251,7 +279,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_BitAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_BitAttribute > H5Ex_T_BitAttribute.out)
+TESTING examples.datatypes.H5Ex_T_BitAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_BitAttribute > H5Ex_T_BitAttribute.out)
 if diff H5Ex_T_BitAttribute.out examples.datatypes.H5Ex_T_BitAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_BitAttribute"
 else
@@ -260,7 +289,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Commit"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Commit > H5Ex_T_Commit.out)
+TESTING examples.datasets.H5Ex_T_Commit
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Commit > H5Ex_T_Commit.out)
 if diff H5Ex_T_Commit.out examples.datatypes.H5Ex_T_Commit.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_Commit"
 else
@@ -269,7 +299,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Compound"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Compound > H5Ex_T_Compound.out)
+TESTING examples.datatypes.H5Ex_T_Compound
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Compound > H5Ex_T_Compound.out)
 if diff H5Ex_T_Compound.out examples.datatypes.H5Ex_T_Compound.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_Compound"
 else
@@ -278,7 +309,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_CompoundAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_CompoundAttribute > H5Ex_T_CompoundAttribute.out)
+TESTING examples.datatypes.H5Ex_T_CompoundAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_CompoundAttribute > H5Ex_T_CompoundAttribute.out)
 if diff H5Ex_T_CompoundAttribute.out examples.datatypes.H5Ex_T_CompoundAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_CompoundAttribute"
 else
@@ -287,7 +319,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Float"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Float > H5Ex_T_Float.out)
+TESTING examples.datatypes.H5Ex_T_Float
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Float > H5Ex_T_Float.out)
 if diff H5Ex_T_Float.out examples.datatypes.H5Ex_T_Float.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_Float"
 else
@@ -296,7 +329,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_FloatAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_FloatAttribute > H5Ex_T_FloatAttribute.out)
+TESTING examples.datatypes.H5Ex_T_FloatAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_FloatAttribute > H5Ex_T_FloatAttribute.out)
 if diff H5Ex_T_FloatAttribute.out examples.datatypes.H5Ex_T_FloatAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_FloatAttribute"
 else
@@ -305,7 +339,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Integer"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Integer > H5Ex_T_Integer.out)
+TESTING examples.datatypes.H5Ex_T_Integer
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Integer > H5Ex_T_Integer.out)
 if diff H5Ex_T_Integer.out examples.datatypes.H5Ex_T_Integer.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_Integer"
 else
@@ -314,7 +349,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_IntegerAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_IntegerAttribute > H5Ex_T_IntegerAttribute.out)
+TESTING examples.datatypes.H5Ex_T_IntegerAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_IntegerAttribute > H5Ex_T_IntegerAttribute.out)
 if diff H5Ex_T_IntegerAttribute.out examples.datatypes.H5Ex_T_IntegerAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_IntegerAttribute"
 else
@@ -323,7 +359,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReference"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReference > H5Ex_T_ObjectReference.out)
+TESTING examples.datatypes.H5Ex_T_ObjectReference
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReference > H5Ex_T_ObjectReference.out)
 if diff H5Ex_T_ObjectReference.out examples.datatypes.H5Ex_T_ObjectReference.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_ObjectReference"
 else
@@ -332,7 +369,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReferenceAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReferenceAttribute > H5Ex_T_ObjectReferenceAttribute.out)
+TESTING examples.datatypes.H5Ex_T_ObjectReferenceAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReferenceAttribute > H5Ex_T_ObjectReferenceAttribute.out)
 if diff H5Ex_T_ObjectReferenceAttribute.out examples.datatypes.H5Ex_T_ObjectReferenceAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_ObjectReferenceAttribute"
 else
@@ -341,7 +379,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Opaque"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Opaque > H5Ex_T_Opaque.out)
+TESTING examples.datatypes.H5Ex_T_Opaque
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Opaque > H5Ex_T_Opaque.out)
 if diff H5Ex_T_Opaque.out examples.datatypes.H5Ex_T_Opaque.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_Opaque"
 else
@@ -350,7 +389,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_OpaqueAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_OpaqueAttribute > H5Ex_T_OpaqueAttribute.out)
+TESTING examples.datatypes.H5Ex_T_OpaqueAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_OpaqueAttribute > H5Ex_T_OpaqueAttribute.out)
 if diff H5Ex_T_OpaqueAttribute.out examples.datatypes.H5Ex_T_OpaqueAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_OpaqueAttribute"
 else
@@ -359,7 +399,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_String"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_String > H5Ex_T_String.out)
+TESTING examples.datatypes.H5Ex_T_String
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_String > H5Ex_T_String.out)
 if diff H5Ex_T_String.out examples.datatypes.H5Ex_T_String.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_String"
 else
@@ -368,7 +409,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_StringAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_StringAttribute > H5Ex_T_StringAttribute.out)
+TESTING examples.datatypes.H5Ex_T_StringAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_StringAttribute > H5Ex_T_StringAttribute.out)
 if diff H5Ex_T_StringAttribute.out examples.datatypes.H5Ex_T_StringAttribute.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_StringAttribute"
 else
@@ -377,7 +419,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_VLString"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_VLString > H5Ex_T_VLString.out)
+TESTING examples.datatypes.H5Ex_T_VLString
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_VLString > H5Ex_T_VLString.out)
 if diff H5Ex_T_VLString.out examples.datatypes.H5Ex_T_VLString.txt > /dev/null; then
     echo "  PASSED      datatypes.H5Ex_T_VLString"
 else
diff --git a/java/examples/datatypes/Makefile.am b/java/examples/datatypes/Makefile.am
index 71f7769..f695528 100644
--- a/java/examples/datatypes/Makefile.am
+++ b/java/examples/datatypes/Makefile.am
@@ -28,13 +28,13 @@ classes:
 
 pkgpath = examples/datatypes
 hdfjarfile = jar$(PACKAGE_TARNAME)-$(PACKAGE_VERSION).jar
-CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.5.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.5.jar:$$CLASSPATH
+CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.25.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.25.jar:$$CLASSPATH
 
 jarfile = jar$(PACKAGE_TARNAME)datatypes.jar
 
 AM_JAVACFLAGS = $(H5_JAVACFLAGS) -deprecation
 
-TESTPACKAGE = 
+TESTPACKAGE =
 
 noinst_JAVA = \
     H5Ex_T_Array.java \
@@ -63,10 +63,10 @@ noinst_DATA = $(jarfile)
 
 .PHONY: classes
 
-check_SCRIPTS = runExample.sh
+check_SCRIPTS = JavaDatatypeExample.sh
 TEST_SCRIPT = $(check_SCRIPTS)
 
-CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class runExample.sh
+CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class JavaDatatypeExample.sh
 
 clean:
 	rm -rf $(JAVAROOT)/*
diff --git a/java/examples/groups/CMakeLists.txt b/java/examples/groups/CMakeLists.txt
index bb5f80f..c2c7d0f 100644
--- a/java/examples/groups/CMakeLists.txt
+++ b/java/examples/groups/CMakeLists.txt
@@ -1,13 +1,8 @@
-cmake_minimum_required (VERSION 3.2.2)
-PROJECT (HDFJAVA_EXAMPLES_GROUPS Java)
+cmake_minimum_required (VERSION 3.12)
+project (HDFJAVA_EXAMPLES_GROUPS Java)
 
 set (CMAKE_VERBOSE_MAKEFILE 1)
 
-INCLUDE_DIRECTORIES (
-    ${HDF5_JAVA_JNI_BINARY_DIR}
-    ${HDF5_JAVA_HDF5_LIB_DIR}
-)
-
 set (HDF_JAVA_EXAMPLES
     H5Ex_G_Create
     H5Ex_G_Iterate
@@ -18,7 +13,7 @@ set (HDF_JAVA_EXAMPLES
     H5Ex_G_Visit
 )
 
-if (WIN32)
+if (WIN32 OR MINGW)
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ";")
 else ()
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ":")
@@ -60,69 +55,55 @@ foreach (h5_file ${HDF_JAVA_TEST_FILES})
 endforeach ()
 add_custom_target(H5Ex_G_Visit_files ALL COMMENT "Copying files needed by H5Ex_G_Visit tests" DEPENDS ${H5Ex_G_Visit_files_list})
 
-MACRO (ADD_H5_TEST resultfile resultcode)
-  if (CMAKE_BUILD_TYPE MATCHES Debug)
-    if (WIN32)
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_D;")
-    else ()
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_debug;")
-    endif ()
-  endif ()
-  add_test (
-      NAME JAVA_groups-${resultfile}
-      COMMAND "${CMAKE_COMMAND}"
-          -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
-          -D "TEST_PROGRAM=examples.groups.${resultfile}"
-          -D "TEST_ARGS:STRING=${CMD_ARGS}${ARGN}"
-          -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${resultfile}_JAR_FILE}"
-          -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
-          -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
-          -D "TEST_OUTPUT=groups/${resultfile}.out"
-          -D "TEST_EXPECT=${resultcode}"
-          -D "TEST_REFERENCE=groups/${resultfile}.txt"
-          -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
-  )
-  if (NOT "${last_test}" STREQUAL "")
-    set_tests_properties (JAVA_groups-${resultfile} PROPERTIES DEPENDS ${last_test})
-  endif ()
-  set (last_test "JAVA_groups-${resultfile}")
-ENDMACRO ()
+if (BUILD_TESTING AND HDF5_TEST_EXAMPLES AND HDF5_TEST_SERIAL)
+  get_property (target_name TARGET ${HDF5_JAVA_JNI_LIB_TARGET} PROPERTY OUTPUT_NAME)
+  set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=${target_name}$<$<CONFIG:Debug>:${CMAKE_DEBUG_POSTFIX}>;")
 
-if (BUILD_TESTING)
   foreach (example ${HDF_JAVA_EXAMPLES})
-    if (NOT ${example} STREQUAL "H5Ex_G_Iterate" AND NOT ${example} STREQUAL "H5Ex_G_Visit")
-      if (${example} STREQUAL "H5Ex_G_Compact")
+    if (NOT example STREQUAL "H5Ex_G_Iterate" AND NOT example STREQUAL "H5Ex_G_Visit")
+      if (example STREQUAL "H5Ex_G_Compact")
         add_test (
-            NAME JAVA_groups-${example}-clear-h5s
-            COMMAND    ${CMAKE_COMMAND}
-                -E remove
+            NAME JAVA_groups-${example}-clear-objects
+            COMMAND ${CMAKE_COMMAND} -E remove
                 ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}1.h5
                 ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}2.h5
         )
       else ()
         add_test (
-            NAME JAVA_groups-${example}-clear-h5s
-            COMMAND    ${CMAKE_COMMAND}
-                -E remove
-                ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
+            NAME JAVA_groups-${example}-clear-objects
+            COMMAND ${CMAKE_COMMAND} -E remove ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
         )
       endif ()
-      if (NOT "${last_test}" STREQUAL "")
-        set_tests_properties (JAVA_groups-${example}-clear-h5s PROPERTIES DEPENDS ${last_test})
-      endif ()
-      set (last_test "JAVA_groups-${example}-clear-h5s")
+    else ()
+      add_test (
+          NAME JAVA_groups-${example}-clear-objects
+          COMMAND ${CMAKE_COMMAND} -E echo "${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5 exists"
+      )
     endif ()
+
     add_test (
         NAME JAVA_groups-${example}-copy-objects
-        COMMAND    ${CMAKE_COMMAND}
-            -E copy_if_different
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
             ${HDFJAVA_EXAMPLES_SOURCE_DIR}/testfiles/examples.groups.${example}.txt
             ${HDFJAVA_EXAMPLES_GROUPS_BINARY_DIR}/${example}.txt
     )
-    if (NOT "${last_test}" STREQUAL "")
-      set_tests_properties (JAVA_groups-${example}-copy-objects PROPERTIES DEPENDS ${last_test})
-    endif ()
-    set (last_test "JAVA_groups-${example}-copy-objects")
-    ADD_H5_TEST (${example} 0)
+    set_tests_properties (JAVA_groups-${example}-copy-objects PROPERTIES DEPENDS JAVA_groups-${example}-clear-objects)
+    add_test (
+        NAME JAVA_groups-${example}
+        COMMAND "${CMAKE_COMMAND}"
+            -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
+            -D "TEST_PROGRAM=examples.groups.${example}"
+            -D "TEST_ARGS:STRING=${CMD_ARGS}"
+            -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${example}_JAR_FILE}"
+            -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
+            -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
+            -D "TEST_OUTPUT=groups/${example}.out"
+            -D "TEST_EXPECT=0"
+            -D "TEST_REFERENCE=groups/${example}.txt"
+            -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
+    )
+    set_tests_properties (JAVA_groups-${example} PROPERTIES
+        DEPENDS JAVA_groups-${example}-copy-objects
+    )
   endforeach ()
 endif ()
diff --git a/java/examples/groups/H5Ex_G_Intermediate.java b/java/examples/groups/H5Ex_G_Intermediate.java
index f7d5a50..e97e5f8 100644
--- a/java/examples/groups/H5Ex_G_Intermediate.java
+++ b/java/examples/groups/H5Ex_G_Intermediate.java
@@ -19,8 +19,8 @@ package examples.groups;
 
 import hdf.hdf5lib.H5;
 import hdf.hdf5lib.HDF5Constants;
-import hdf.hdf5lib.callbacks.H5O_iterate_cb;
 import hdf.hdf5lib.callbacks.H5O_iterate_t;
+import hdf.hdf5lib.callbacks.H5O_iterate_opdata_t;
 import hdf.hdf5lib.structs.H5O_info_t;
 
 import java.util.ArrayList;
@@ -53,9 +53,9 @@ public class H5Ex_G_Intermediate {
             // Print all the objects in the file_ids to show that intermediate group_ids have been created.
             System.out.println("Objects in the file_id:");
 
-            // H5O_iterate_t iter_data = null;
-            H5O_iterate_t iter_data = new H5O_iter_data();
-            H5O_iterate_cb iter_cb = new H5O_iter_callback();
+            // H5O_iterate_opdata_t iter_data = null;
+            H5O_iterate_opdata_t iter_data = new H5O_iter_data();
+            H5O_iterate_t iter_cb = new H5O_iter_callback();
 
             H5.H5Ovisit(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, iter_cb, iter_data);
         }
@@ -92,12 +92,12 @@ public class H5Ex_G_Intermediate {
         }
     }
 
-    private class H5O_iter_data implements H5O_iterate_t {
+    private class H5O_iter_data implements H5O_iterate_opdata_t {
         public ArrayList<idata> iterdata = new ArrayList<idata>();
     }
 
-    private class H5O_iter_callback implements H5O_iterate_cb {
-        public int callback(long group, String name, H5O_info_t info, H5O_iterate_t op_data) {
+    private class H5O_iter_callback implements H5O_iterate_t {
+        public int callback(long group, String name, H5O_info_t info, H5O_iterate_opdata_t op_data) {
             idata id = new idata(name, info.type);
             ((H5O_iter_data) op_data).iterdata.add(id);
 
diff --git a/java/examples/groups/H5Ex_G_Iterate.java b/java/examples/groups/H5Ex_G_Iterate.java
index 3c9ca82..5acbf65 100644
--- a/java/examples/groups/H5Ex_G_Iterate.java
+++ b/java/examples/groups/H5Ex_G_Iterate.java
@@ -19,6 +19,7 @@ package examples.groups;
 
 import hdf.hdf5lib.H5;
 import hdf.hdf5lib.HDF5Constants;
+import hdf.hdf5lib.structs.H5O_token_t;
 
 import java.util.EnumSet;
 import java.util.HashMap;
@@ -75,8 +76,8 @@ public class H5Ex_G_Iterate {
                 String[] oname = new String[count];
                 int[] otype = new int[count];
                 int[] ltype = new int[count];
-                long[] orefs = new long[count];
-                H5.H5Gget_obj_info_all(file_id, DATASETNAME, oname, otype, ltype, orefs, HDF5Constants.H5_INDEX_NAME);
+                H5O_token_t[] otokens = new H5O_token_t[count];
+                H5.H5Gget_obj_info_all(file_id, DATASETNAME, oname, otype, ltype, otokens, HDF5Constants.H5_INDEX_NAME);
 
                 // Get type of the object and display its name and type.
                 for (int indx = 0; indx < otype.length; indx++) {
diff --git a/java/examples/groups/H5Ex_G_Traverse.java b/java/examples/groups/H5Ex_G_Traverse.java
index 2a2cba3..6225a9e 100644
--- a/java/examples/groups/H5Ex_G_Traverse.java
+++ b/java/examples/groups/H5Ex_G_Traverse.java
@@ -25,22 +25,22 @@ package examples.groups;
 
 import hdf.hdf5lib.H5;
 import hdf.hdf5lib.HDF5Constants;
-import hdf.hdf5lib.callbacks.H5L_iterate_cb;
 import hdf.hdf5lib.callbacks.H5L_iterate_t;
+import hdf.hdf5lib.callbacks.H5L_iterate_opdata_t;
 import hdf.hdf5lib.structs.H5L_info_t;
 import hdf.hdf5lib.structs.H5O_info_t;
 import examples.groups.H5Ex_G_Iterate.H5O_type;
 
-class opdata implements H5L_iterate_t {
+class opdata implements H5L_iterate_opdata_t {
     int recurs;
     opdata prev;
-    long addr;
+    H5O_token_t obj_token;
 }
 
 public class H5Ex_G_Traverse {
 
     private static String FILE = "h5ex_g_traverse.h5";
-    public static H5L_iterate_cb iter_cb = new H5L_iter_callbackT();
+    public static H5L_iterate_t iter_cb = new H5L_iter_callbackT();
 
     private static void OpenGroup() {
         long file_id = -1;
@@ -54,7 +54,7 @@ public class H5Ex_G_Traverse {
                 infobuf = H5.H5Oget_info(file_id);
                 od.recurs = 0;
                 od.prev = null;
-                od.addr = infobuf.addr;
+                od.obj_token = infobuf.token;
             }
         }
         catch (Exception e) {
@@ -64,7 +64,7 @@ public class H5Ex_G_Traverse {
         // Print the root group and formatting, begin iteration.
         try {
             System.out.println("/ {");
-            // H5L_iterate_cb iter_cb = new H5L_iter_callbackT();
+            // H5L_iterate_t iter_cb = new H5L_iter_callbackT();
             H5.H5Literate(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, 0L, iter_cb, od);
             System.out.println("}");
         }
@@ -87,8 +87,8 @@ public class H5Ex_G_Traverse {
     }
 }
 
-class H5L_iter_callbackT implements H5L_iterate_cb {
-    public int callback(long group, String name, H5L_info_t info, H5L_iterate_t op_data) {
+class H5L_iter_callbackT implements H5L_iterate_t {
+    public int callback(long group, String name, H5L_info_t info, H5L_iterate_opdata_t op_data) {
 
         H5O_info_t infobuf;
         int return_val = 0;
@@ -105,7 +105,7 @@ class H5L_iter_callbackT implements H5L_iterate_cb {
             switch (H5O_type.get(infobuf.type)) {
             case H5O_TYPE_GROUP:
                 System.out.println("Group: " + name + " { ");
-                // Check group address against linked list of operator
+                // Check group object token against linked list of operator
                 // data structures. We will always run the check, as the
                 // reference count cannot be relied upon if there are
                 // symbolic links, and H5Oget_info_by_name always follows
@@ -114,7 +114,7 @@ class H5L_iter_callbackT implements H5L_iterate_cb {
                 // links, however it could still fail if an object's
                 // reference count was manually manipulated with
                 // H5Odecr_refcount.
-                if (group_check(od, infobuf.addr)) {
+                if (group_check(od, infobuf.token)) {
                     for (int i = 0; i < spaces; i++)
                         System.out.print(" ");
                     System.out.println("  Warning: Loop detected!");
@@ -127,8 +127,8 @@ class H5L_iter_callbackT implements H5L_iterate_cb {
                     opdata nextod = new opdata();
                     nextod.recurs = od.recurs + 1;
                     nextod.prev = od;
-                    nextod.addr = infobuf.addr;
-                    H5L_iterate_cb iter_cb2 = new H5L_iter_callbackT();
+                    nextod.obj_token = infobuf.token;
+                    H5L_iterate_t iter_cb2 = new H5L_iter_callbackT();
                     return_val = H5.H5Literate_by_name(group, name, HDF5Constants.H5_INDEX_NAME,
                             HDF5Constants.H5_ITER_NATIVE, 0L, iter_cb2, nextod, HDF5Constants.H5P_DEFAULT);
                 }
@@ -153,13 +153,13 @@ class H5L_iter_callbackT implements H5L_iterate_cb {
         return return_val;
     }
 
-    public boolean group_check(opdata od, long target_addr) {
-        if (od.addr == target_addr)
-            return true; // Addresses match
+    public boolean group_check(opdata od, H5O_token_t target_token) {
+        if (od.obj_token.equals(target_token))
+            return true; // Object tokens match
         else if (od.recurs == 0)
             return false; // Root group reached with no matches
         else
-            return group_check(od.prev, target_addr); // Recursively examine the next node
+            return group_check(od.prev, target_token); // Recursively examine the next node
     }
 
 }
diff --git a/java/examples/groups/H5Ex_G_Visit.java b/java/examples/groups/H5Ex_G_Visit.java
index f91c707..4255316 100644
--- a/java/examples/groups/H5Ex_G_Visit.java
+++ b/java/examples/groups/H5Ex_G_Visit.java
@@ -23,10 +23,10 @@ package examples.groups;
 
 import hdf.hdf5lib.H5;
 import hdf.hdf5lib.HDF5Constants;
-import hdf.hdf5lib.callbacks.H5L_iterate_cb;
 import hdf.hdf5lib.callbacks.H5L_iterate_t;
-import hdf.hdf5lib.callbacks.H5O_iterate_cb;
+import hdf.hdf5lib.callbacks.H5L_iterate_opdata_t;
 import hdf.hdf5lib.callbacks.H5O_iterate_t;
+import hdf.hdf5lib.callbacks.H5O_iterate_opdata_t;
 import hdf.hdf5lib.structs.H5L_info_t;
 import hdf.hdf5lib.structs.H5O_info_t;
 
@@ -55,13 +55,13 @@ public class H5Ex_G_Visit {
 
             // Begin iteration using H5Ovisit
             System.out.println("Objects in the file:");
-            H5O_iterate_t iter_data = new H5O_iter_data();
-            H5O_iterate_cb iter_cb = new H5O_iter_callback();
+            H5O_iterate_opdata_t iter_data = new H5O_iter_data();
+            H5O_iterate_t iter_cb = new H5O_iter_callback();
             H5.H5Ovisit(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, iter_cb, iter_data);
             System.out.println();
             // Repeat the same process using H5Lvisit
-            H5L_iterate_t iter_data2 = new H5L_iter_data();
-            H5L_iterate_cb iter_cb2 = new H5L_iter_callback();
+            H5L_iterate_opdata_t iter_data2 = new H5L_iter_data();
+            H5L_iterate_t iter_cb2 = new H5L_iter_callback();
             System.out.println("Links in the file:");
             H5.H5Lvisit(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, iter_cb2, iter_data2);
 
@@ -91,12 +91,12 @@ public class H5Ex_G_Visit {
         }
     }
 
-    private class H5L_iter_data implements H5L_iterate_t {
+    private class H5L_iter_data implements H5L_iterate_opdata_t {
         public ArrayList<idata> iterdata = new ArrayList<idata>();
     }
 
-    private class H5L_iter_callback implements H5L_iterate_cb {
-        public int callback(long group, String name, H5L_info_t info, H5L_iterate_t op_data) {
+    private class H5L_iter_callback implements H5L_iterate_t {
+        public int callback(long group, String name, H5L_info_t info, H5L_iterate_opdata_t op_data) {
 
             idata id = new idata(name, info.type);
             ((H5L_iter_data) op_data).iterdata.add(id);
@@ -107,8 +107,8 @@ public class H5Ex_G_Visit {
                 // Get type of the object and display its name and type. The name of the object is passed to this
                 // function by the Library.
                 infobuf = H5.H5Oget_info_by_name(group, name, HDF5Constants.H5P_DEFAULT);
-                H5O_iterate_cb iter_cbO = new H5O_iter_callback();
-                H5O_iterate_t iter_dataO = new H5O_iter_data();
+                H5O_iterate_t iter_cbO = new H5O_iter_callback();
+                H5O_iterate_opdata_t iter_dataO = new H5O_iter_data();
                 ret = iter_cbO.callback(group, name, infobuf, iter_dataO);
             }
             catch (Exception e) {
@@ -119,12 +119,12 @@ public class H5Ex_G_Visit {
         }
     }
 
-    private class H5O_iter_data implements H5O_iterate_t {
+    private class H5O_iter_data implements H5O_iterate_opdata_t {
         public ArrayList<idata> iterdata = new ArrayList<idata>();
     }
 
-    private class H5O_iter_callback implements H5O_iterate_cb {
-        public int callback(long group, String name, H5O_info_t info, H5O_iterate_t op_data) {
+    private class H5O_iter_callback implements H5O_iterate_t {
+        public int callback(long group, String name, H5O_info_t info, H5O_iterate_opdata_t op_data) {
             idata id = new idata(name, info.type);
             ((H5O_iter_data) op_data).iterdata.add(id);
 
diff --git a/java/examples/groups/runExample.sh.in b/java/examples/groups/JavaGroupExample.sh.in
index 3732e7f..acc606f 100644
--- a/java/examples/groups/runExample.sh.in
+++ b/java/examples/groups/JavaGroupExample.sh.in
@@ -34,13 +34,13 @@ nerrors=0
 # where the libs exist
 HDFLIB_HOME="$top_srcdir/java/lib"
 BLDLIBDIR="$top_builddir/hdf5/lib"
-BLDREFDIR="./groups"
+BLDITERDIR="./groups"
 BLDDIR="."
 HDFTEST_HOME="$top_srcdir/java/examples/groups"
 JARFILE=jar@PACKAGE_TARNAME@-@PACKAGE_VERSION@.jar
 TESTJARFILE=jar@PACKAGE_TARNAME@groups.jar
 test -d $BLDLIBDIR || mkdir -p $BLDLIBDIR
-test -d $BLDREFDIR || mkdir -p $BLDREFDIR
+test -d $BLDITERDIR || mkdir -p $BLDITERDIR
 
 ######################################################################
 # library files
@@ -51,13 +51,15 @@ test -d $BLDREFDIR || mkdir -p $BLDREFDIR
 #       Comment '#' without space can be used.
 # --------------------------------------------------------------------
 LIST_LIBRARY_FILES="
-$HDFLIB_HOME/slf4j-api-1.7.5.jar
-$HDFLIB_HOME/ext/slf4j-simple-1.7.5.jar
 $top_builddir/src/.libs/libhdf5.*
 $top_builddir/java/src/jni/.libs/libhdf5_java.*
 $top_builddir/java/src/$JARFILE
 "
-LIST_REF_FILES="
+LIST_JAR_TESTFILES="
+$HDFLIB_HOME/slf4j-api-1.7.25.jar
+$HDFLIB_HOME/ext/slf4j-simple-1.7.25.jar
+"
+LIST_ITER_FILES="
 $HDFTEST_HOME/h5ex_g_iterate.h5
 $HDFTEST_HOME/h5ex_g_visit.h5
 "
@@ -75,6 +77,7 @@ $HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Visit.txt
 # copy files from source dirs to test dir
 #
 COPY_LIBFILES="$LIST_LIBRARY_FILES"
+COPY_JARTESTFILES="$LIST_JAR_TESTFILES"
 
 COPY_LIBFILES_TO_BLDLIBDIR()
 {
@@ -102,6 +105,30 @@ COPY_LIBFILES_TO_BLDLIBDIR()
             fi
         fi
     done
+    # copy jar files. Used -f to make sure get a new copy
+    for tstfile in $COPY_JARTESTFILES
+    do
+        # ignore '#' comment
+        echo $tstfile | tr -d ' ' | grep '^#' > /dev/null
+        RET=$?
+        if [ $RET -eq 1 ]; then
+            # skip cp if srcdir is same as destdir
+            # this occurs when build/test performed in source dir and
+            # make cp fail
+            SDIR=`$DIRNAME $tstfile`
+            INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
+            INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
+            if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
+                $CP -f $tstfile $BLDLIBDIR
+                if [ $? -ne 0 ]; then
+                    echo "Error: FAILED to copy $tstfile ."
+
+                    # Comment out this to CREATE expected file
+                    exit $EXIT_FAILURE
+                fi
+            fi
+        fi
+    done
 }
 
 CLEAN_LIBFILES_AND_BLDLIBDIR()
@@ -109,11 +136,14 @@ CLEAN_LIBFILES_AND_BLDLIBDIR()
     # skip rm if srcdir is same as destdir
     # this occurs when build/test performed in source dir and
     # make cp fail
-    SDIR=`$DIRNAME $HDFLIB_HOME/slf4j-api-1.7.5.jar`
+    SDIR=$HDFLIB_HOME
     INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
     INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
     if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
-        $RM $BLDLIBDIR
+        for tstfile in $COPY_JARTESTFILES
+        do
+            $RM $BLDLIBDIR/tstfile
+        done
     fi
 }
 
@@ -149,24 +179,17 @@ COPY_DATAFILES_TO_BLDDIR()
 
 CLEAN_DATAFILES_AND_BLDDIR()
 {
-        $RM $BLDDIR/examples.groups.H5Ex_G_*.txt
-        $RM $BLDDIR/H5Ex_G_*.out
-        $RM $BLDDIR/H5Ex_G_*.h5
-        SDIR=`$DIRNAME $tstfile`
-        INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
-        INODE_DDIR=`$LS -i -d $BLDDIR | $AWK -F' ' '{print $1}'`
-        if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then            SDIR=`$DIRNAME $tstfile`
-            $RM $BLDDIR/h5ex_g_iterate.h5
-            $RM $BLDDIR/h5ex_g_visit.h5
-        fi  
+    $RM $BLDDIR/examples.groups.H5Ex_G_*.txt
+    $RM $BLDDIR/H5Ex_G_*.out
+    $RM $BLDDIR/H5Ex_G_*.h5
 }
 
-COPY_REFFILES="$LIST_REF_FILES"
+COPY_ITERFILES="$LIST_ITER_FILES"
 
-COPY_REFFILES_TO_BLDREFDIR()
+COPY_ITERFILES_TO_BLDITERDIR()
 {
     # copy test files. Used -f to make sure get a new copy
-    for tstfile in $COPY_REFFILES
+    for tstfile in $COPY_ITERFILES
     do
         # ignore '#' comment
         echo $tstfile | tr -d ' ' | grep '^#' > /dev/null
@@ -177,9 +200,9 @@ COPY_REFFILES_TO_BLDREFDIR()
             # make cp fail
             SDIR=`$DIRNAME $tstfile`
             INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
-            INODE_DDIR=`$LS -i -d $BLDREFDIR | $AWK -F' ' '{print $1}'`
+            INODE_DDIR=`$LS -i -d $BLDITERDIR | $AWK -F' ' '{print $1}'`
             if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
-                $CP -f $tstfile $BLDREFDIR
+                $CP -f $tstfile $BLDITERDIR
                 if [ $? -ne 0 ]; then
                     echo "Error: FAILED to copy $tstfile ."
 
@@ -191,16 +214,16 @@ COPY_REFFILES_TO_BLDREFDIR()
     done
 }
 
-CLEAN_REFFILES_AND_BLDREFDIR()
+CLEAN_ITERFILES_AND_BLDITERDIR()
 {
     # skip rm if srcdir is same as destdir
     # this occurs when build/test performed in source dir and
     # make cp fail
     SDIR=`$DIRNAME $HDFTEST_HOME/h5ex_g_iterate.h5`
     INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
-    INODE_DDIR=`$LS -i -d $BLDREFDIR | $AWK -F' ' '{print $1}'`
+    INODE_DDIR=`$LS -i -d $BLDITERDIR | $AWK -F' ' '{print $1}'`
     if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
-        $RM $BLDREFDIR
+        $RM $BLDITERDIR
     fi
 }
 
@@ -223,9 +246,9 @@ JAVAEXEFLAGS=@H5_JAVAFLAGS@
 # prepare for test
 COPY_LIBFILES_TO_BLDLIBDIR
 COPY_DATAFILES_TO_BLDDIR
-COPY_REFFILES_TO_BLDREFDIR
+COPY_ITERFILES_TO_BLDITERDIR
 
-CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.5.jar:"$BLDLIBDIR"/slf4j-simple-1.7.5.jar:"$TESTJARFILE""
+CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.25.jar:"$BLDLIBDIR"/slf4j-simple-1.7.25.jar:"$TESTJARFILE""
 
 TEST=/usr/bin/test
 if [ ! -x /usr/bin/test ]
@@ -257,11 +280,6 @@ if $TEST -z "$LD_LIBRARY_PATH" ; then
 fi
 
 case  $os_name in
-    Darwin)
-    DYLD_LIBRARY_PATH=$BLDLIBDIR:$DYLD_LIBRARY_PATH
-    export DYLD_LIBRARY_PATH
-    LD_LIBRARY_PATH=$DYLD_LIBRARY_PATH
-    ;;
     *)
     LD_LIBRARY_PATH=$BLDLIBDIR:$LD_LIBRARY_PATH
     ;;
@@ -270,7 +288,8 @@ esac
 export LD_LIBRARY_PATH
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Create"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Create > H5Ex_G_Create.out)
+TESTING examples.groups.H5Ex_G_Create
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Create > H5Ex_G_Create.out)
 if diff H5Ex_G_Create.out examples.groups.H5Ex_G_Create.txt > /dev/null; then
     echo "  PASSED      groups.H5Ex_G_Create"
 else
@@ -279,7 +298,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Iterate"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Iterate > H5Ex_G_Iterate.out)
+TESTING examples.groups.H5Ex_G_Iterate
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Iterate > H5Ex_G_Iterate.out)
 if diff H5Ex_G_Iterate.out examples.groups.H5Ex_G_Iterate.txt > /dev/null; then
     echo "  PASSED      groups.H5Ex_G_Iterate"
 else
@@ -288,7 +308,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Compact"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Compact > H5Ex_G_Compact.out)
+TESTING examples.groups.H5Ex_G_Compact
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Compact > H5Ex_G_Compact.out)
 if diff H5Ex_G_Compact.out examples.groups.H5Ex_G_Compact.txt > /dev/null; then
     echo "  PASSED      groups.H5Ex_G_Compact"
 else
@@ -297,7 +318,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Corder"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Corder > H5Ex_G_Corder.out)
+TESTING examples.groups.H5Ex_G_Corder
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Corder > H5Ex_G_Corder.out)
 if diff H5Ex_G_Corder.out examples.groups.H5Ex_G_Corder.txt > /dev/null; then
     echo "  PASSED      groups.H5Ex_G_Corder"
 else
@@ -306,7 +328,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Intermediate"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Intermediate > H5Ex_G_Intermediate.out)
+TESTING examples.groups.H5Ex_G_Intermediate
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Intermediate > H5Ex_G_Intermediate.out)
 if diff H5Ex_G_Intermediate.out examples.groups.H5Ex_G_Intermediate.txt > /dev/null; then
     echo "  PASSED      groups.H5Ex_G_Intermediate"
 else
@@ -315,7 +338,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Phase"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Phase > H5Ex_G_Phase.out)
+TESTING examples.groups.H5Ex_G_Phase
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Phase > H5Ex_G_Phase.out)
 if diff H5Ex_G_Phase.out examples.groups.H5Ex_G_Phase.txt > /dev/null; then
     echo "  PASSED      groups.H5Ex_G_Phase"
 else
@@ -324,7 +348,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Visit"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Visit > H5Ex_G_Visit.out)
+TESTING examples.groups.H5Ex_G_Visit
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Visit > H5Ex_G_Visit.out)
 if diff H5Ex_G_Visit.out examples.groups.H5Ex_G_Visit.txt > /dev/null; then
     echo "  PASSED      groups.H5Ex_G_Visit"
 else
@@ -333,9 +358,9 @@ else
 fi
 
 # Clean up temporary files/directories
+CLEAN_ITERFILES_AND_BLDITERDIR
 CLEAN_LIBFILES_AND_BLDLIBDIR
 CLEAN_DATAFILES_AND_BLDDIR
-CLEAN_REFFILES_AND_BLDREFDIR
 
 # Report test results and exit
 if test $nerrors -eq 0 ; then
diff --git a/java/examples/groups/Makefile.am b/java/examples/groups/Makefile.am
index 08721e0..d5824e8 100644
--- a/java/examples/groups/Makefile.am
+++ b/java/examples/groups/Makefile.am
@@ -28,13 +28,13 @@ classes:
 
 pkgpath = examples/groups
 hdfjarfile = jar$(PACKAGE_TARNAME)-$(PACKAGE_VERSION).jar
-CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.5.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.5.jar:$$CLASSPATH
+CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.25.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.25.jar:$$CLASSPATH
 
 jarfile = jar$(PACKAGE_TARNAME)groups.jar
 
 AM_JAVACFLAGS = $(H5_JAVACFLAGS) -deprecation
 
-TESTPACKAGE = 
+TESTPACKAGE =
 
 noinst_JAVA = \
     H5Ex_G_Create.java \
@@ -53,10 +53,10 @@ noinst_DATA = $(jarfile)
 
 .PHONY: classes
 
-check_SCRIPTS = runExample.sh
+check_SCRIPTS = JavaGroupExample.sh
 TEST_SCRIPT = $(check_SCRIPTS)
 
-CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class runExample.sh
+CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class JavaGroupExample.sh
 
 clean:
 	rm -rf $(JAVAROOT)/*
diff --git a/java/examples/intro/CMakeLists.txt b/java/examples/intro/CMakeLists.txt
index 9dc4dd7..6cb1e16 100644
--- a/java/examples/intro/CMakeLists.txt
+++ b/java/examples/intro/CMakeLists.txt
@@ -1,13 +1,8 @@
-cmake_minimum_required (VERSION 3.2.2)
-PROJECT (HDFJAVA_EXAMPLES_INTRO Java)
+cmake_minimum_required (VERSION 3.12)
+project (HDFJAVA_EXAMPLES_INTRO Java)
 
 set (CMAKE_VERBOSE_MAKEFILE 1)
 
-INCLUDE_DIRECTORIES (
-    ${HDF5_JAVA_JNI_BINARY_DIR}
-    ${HDF5_JAVA_HDF5_LIB_DIR}
-)
-
 set (HDF_JAVA_EXAMPLES
     H5_CreateAttribute
     H5_CreateDataset
@@ -18,7 +13,7 @@ set (HDF_JAVA_EXAMPLES
     H5_ReadWrite
 )
 
-if (WIN32)
+if (WIN32 OR MINGW)
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ";")
 else ()
   set (CMAKE_JAVA_INCLUDE_FLAG_SEP ":")
@@ -50,68 +45,41 @@ foreach (HDFJAVA_JAR ${CMAKE_JAVA_INCLUDE_PATH})
   set (CMAKE_JAVA_CLASSPATH "${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${HDFJAVA_JAR}")
 endforeach ()
 
-foreach (example ${HDF_JAVA_OBJECT_EXAMPLES})
-  file (WRITE ${PROJECT_BINARY_DIR}/${example}_Manifest.txt
-  "Main-Class: examples.intro.${example}
-"
-  )
-  add_jar (${example} MANIFEST ${PROJECT_BINARY_DIR}/${example}_Manifest.txt ${example}.java)
-  get_target_property (${example}_JAR_FILE ${example} JAR_FILE)
-#  install_jar (${example} ${HJAVA_INSTALL_DATA_DIR}/examples examples)
-  get_target_property (${example}_CLASSPATH ${example} CLASSDIR)
-  add_dependencies (${example} ${HDFJAVA_H5_LIB_TARGET})
-endforeach ()
-
-MACRO (ADD_H5_TEST resultfile resultcode)
-  if (CMAKE_BUILD_TYPE MATCHES Debug)
-    if (WIN32)
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_D;")
-    else ()
-      set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=hdf5_java_debug;")
-    endif ()
-  endif ()
-  add_test (
-      NAME JAVA_intro-${resultfile}
-      COMMAND "${CMAKE_COMMAND}"
-          -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
-          -D "TEST_PROGRAM=examples.intro.${resultfile}"
-          -D "TEST_ARGS:STRING=${CMD_ARGS}${ARGN}"
-          -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${resultfile}_JAR_FILE}"
-          -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
-          -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
-          -D "TEST_OUTPUT=intro/${resultfile}.out"
-          -D "TEST_EXPECT=${resultcode}"
-          -D "TEST_REFERENCE=intro/${resultfile}.txt"
-          -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
-  )
-  if (NOT "${last_test}" STREQUAL "")
-    set_tests_properties (JAVA_intro-${resultfile} PROPERTIES DEPENDS ${last_test})
-  endif ()
-  set (last_test "JAVA_intro-${resultfile}")
-ENDMACRO ()
-
-if (BUILD_TESTING)
+if (BUILD_TESTING AND HDF5_TEST_EXAMPLES AND HDF5_TEST_SERIAL)
+  get_property (target_name TARGET ${HDF5_JAVA_JNI_LIB_TARGET} PROPERTY OUTPUT_NAME)
+  set (CMD_ARGS "-Dhdf.hdf5lib.H5.loadLibraryName=${target_name}$<$<CONFIG:Debug>:${CMAKE_DEBUG_POSTFIX}>;")
 
   foreach (example ${HDF_JAVA_EXAMPLES})
     add_test (
         NAME JAVA_intro-${example}-clear-objects
-        COMMAND    ${CMAKE_COMMAND}
-            -E remove
-            ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
+        COMMAND ${CMAKE_COMMAND} -E remove ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5
     )
-    if (NOT "${last_test}" STREQUAL "")
-      set_tests_properties (JAVA_intro-${example}-clear-objects PROPERTIES DEPENDS ${last_test})
-    endif ()
+
     add_test (
         NAME JAVA_intro-${example}-copy-objects
-        COMMAND    ${CMAKE_COMMAND}
-            -E copy_if_different
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
             ${HDFJAVA_EXAMPLES_SOURCE_DIR}/testfiles/examples.intro.${example}.txt
             ${HDFJAVA_EXAMPLES_INTRO_BINARY_DIR}/${example}.txt
     )
     set_tests_properties (JAVA_intro-${example}-copy-objects PROPERTIES DEPENDS JAVA_intro-${example}-clear-objects)
-    set (last_test "JAVA_intro-${example}-copy-objects")
-    ADD_H5_TEST (${example} 0)
+
+    add_test (
+        NAME JAVA_intro-${example}
+        COMMAND "${CMAKE_COMMAND}"
+            -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}"
+            -D "TEST_PROGRAM=examples.intro.${example}"
+            -D "TEST_ARGS:STRING=${CMD_ARGS}"
+            -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${example}_JAR_FILE}"
+            -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}"
+            -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}"
+            -D "TEST_OUTPUT=intro/${example}.out"
+            -D "TEST_EXPECT=0"
+            -D "TEST_REFERENCE=intro/${example}.txt"
+            -P "${HDF_RESOURCES_DIR}/jrunTest.cmake"
+    )
+    set_tests_properties (JAVA_intro-${example} PROPERTIES
+        DEPENDS JAVA_intro-${example}-copy-objects
+    )
   endforeach ()
 
 endif ()
diff --git a/java/examples/intro/runExample.sh.in b/java/examples/intro/JavaIntroExample.sh.in
index 4533a1b..1886485 100644
--- a/java/examples/intro/runExample.sh.in
+++ b/java/examples/intro/JavaIntroExample.sh.in
@@ -49,12 +49,14 @@ test -d $BLDLIBDIR || mkdir -p $BLDLIBDIR
 #       Comment '#' without space can be used.
 # --------------------------------------------------------------------
 LIST_LIBRARY_FILES="
-$HDFLIB_HOME/slf4j-api-1.7.5.jar
-$HDFLIB_HOME/ext/slf4j-simple-1.7.5.jar
 $top_builddir/src/.libs/libhdf5.*
 $top_builddir/java/src/jni/.libs/libhdf5_java.*
 $top_builddir/java/src/$JARFILE
 "
+LIST_JAR_TESTFILES="
+$HDFLIB_HOME/slf4j-api-1.7.25.jar
+$HDFLIB_HOME/ext/slf4j-simple-1.7.25.jar
+"
 LIST_DATA_FILES="
 $HDFTEST_HOME/../testfiles/examples.intro.H5_CreateDataset.txt
 $HDFTEST_HOME/../testfiles/examples.intro.H5_CreateAttribute.txt
@@ -69,6 +71,7 @@ $HDFTEST_HOME/../testfiles/examples.intro.H5_ReadWrite.txt
 # copy files from source dirs to test dir
 #
 COPY_LIBFILES="$LIST_LIBRARY_FILES"
+COPY_JARTESTFILES="$LIST_JAR_TESTFILES"
 
 COPY_LIBFILES_TO_BLDLIBDIR()
 {
@@ -96,6 +99,30 @@ COPY_LIBFILES_TO_BLDLIBDIR()
             fi
         fi
     done
+    # copy jar files. Used -f to make sure get a new copy
+    for tstfile in $COPY_JARTESTFILES
+    do
+        # ignore '#' comment
+        echo $tstfile | tr -d ' ' | grep '^#' > /dev/null
+        RET=$?
+        if [ $RET -eq 1 ]; then
+            # skip cp if srcdir is same as destdir
+            # this occurs when build/test performed in source dir and
+            # make cp fail
+            SDIR=`$DIRNAME $tstfile`
+            INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
+            INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
+            if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
+                $CP -f $tstfile $BLDLIBDIR
+                if [ $? -ne 0 ]; then
+                    echo "Error: FAILED to copy $tstfile ."
+
+                    # Comment out this to CREATE expected file
+                    exit $EXIT_FAILURE
+                fi
+            fi
+        fi
+    done
 }
 
 CLEAN_LIBFILES_AND_BLDLIBDIR()
@@ -103,11 +130,14 @@ CLEAN_LIBFILES_AND_BLDLIBDIR()
     # skip rm if srcdir is same as destdir
     # this occurs when build/test performed in source dir and
     # make cp fail
-    SDIR=`$DIRNAME $HDFLIB_HOME/slf4j-api-1.7.5.jar`
+    SDIR=$HDFLIB_HOME
     INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
     INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'`
     if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then
-        $RM $BLDLIBDIR
+        for tstfile in $COPY_JARTESTFILES
+        do
+            $RM $BLDLIBDIR/tstfile
+        done
     fi
 }
 
@@ -168,7 +198,7 @@ JAVAEXEFLAGS=@H5_JAVAFLAGS@
 COPY_LIBFILES_TO_BLDLIBDIR
 COPY_DATAFILES_TO_BLDDIR
 
-CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.5.jar:"$BLDLIBDIR"/slf4j-simple-1.7.5.jar:"$TESTJARFILE""
+CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.25.jar:"$BLDLIBDIR"/slf4j-simple-1.7.25.jar:"$TESTJARFILE""
 
 TEST=/usr/bin/test
 if [ ! -x /usr/bin/test ]
@@ -200,11 +230,6 @@ if $TEST -z "$LD_LIBRARY_PATH" ; then
 fi
 
 case  $os_name in
-    Darwin)
-    DYLD_LIBRARY_PATH=$BLDLIBDIR:$DYLD_LIBRARY_PATH
-    export DYLD_LIBRARY_PATH
-    LD_LIBRARY_PATH=$DYLD_LIBRARY_PATH
-    ;;
     *)
     LD_LIBRARY_PATH=$BLDLIBDIR:$LD_LIBRARY_PATH
     ;;
@@ -213,7 +238,8 @@ esac
 export LD_LIBRARY_PATH
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateDataset"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateDataset > H5_CreateDataset.out)
+TESTING examples.intro.H5_CreateDataset
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateDataset > H5_CreateDataset.out)
 if diff H5_CreateDataset.out examples.intro.H5_CreateDataset.txt > /dev/null; then
     echo "  PASSED      intro.H5_CreateDataset"
 else
@@ -222,7 +248,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateAttribute"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateAttribute > H5_CreateAttribute.out)
+TESTING examples.intro.H5_CreateAttribute
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateAttribute > H5_CreateAttribute.out)
 if diff H5_CreateAttribute.out examples.intro.H5_CreateAttribute.txt > /dev/null; then
     echo "  PASSED      intro.H5_CreateAttribute"
 else
@@ -231,7 +258,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateFile"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateFile > H5_CreateFile.out)
+TESTING examples.intro.H5_CreateFile
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateFile > H5_CreateFile.out)
 if diff H5_CreateFile.out examples.intro.H5_CreateFile.txt > /dev/null; then
     echo "  PASSED      intro.H5_CreateFile"
 else
@@ -240,7 +268,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroup"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroup > H5_CreateGroup.out)
+TESTING examples.intro.H5_CreateGroup
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroup > H5_CreateGroup.out)
 if diff H5_CreateGroup.out examples.intro.H5_CreateGroup.txt > /dev/null; then
     echo "  PASSED      intro.H5_CreateGroup"
 else
@@ -249,7 +278,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroupAbsoluteRelative"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroupAbsoluteRelative > H5_CreateGroupAbsoluteRelative.out)
+TESTING examples.intro.H5_CreateGroupAbsoluteRelative
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroupAbsoluteRelative > H5_CreateGroupAbsoluteRelative.out)
 if diff H5_CreateGroupAbsoluteRelative.out examples.intro.H5_CreateGroupAbsoluteRelative.txt > /dev/null; then
     echo "  PASSED      intro.H5_CreateGroupAbsoluteRelative"
 else
@@ -258,7 +288,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroupDataset"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroupDataset > H5_CreateGroupDataset.out)
+TESTING examples.intro.H5_CreateGroupDataset
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_CreateGroupDataset > H5_CreateGroupDataset.out)
 if diff H5_CreateGroupDataset.out examples.intro.H5_CreateGroupDataset.txt > /dev/null; then
     echo "  PASSED      intro.H5_CreateGroupDataset"
 else
@@ -267,7 +298,8 @@ else
 fi
 
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_ReadWrite"
-($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_ReadWrite > H5_ReadWrite.out)
+TESTING examples.intro.H5_ReadWrite
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.intro.H5_ReadWrite > H5_ReadWrite.out)
 if diff H5_ReadWrite.out examples.intro.H5_ReadWrite.txt > /dev/null; then
     echo "  PASSED      intro.H5_ReadWrite"
 else
diff --git a/java/examples/intro/Makefile.am b/java/examples/intro/Makefile.am
index 95743d9..8c3716a 100644
--- a/java/examples/intro/Makefile.am
+++ b/java/examples/intro/Makefile.am
@@ -28,13 +28,13 @@ classes:
 
 pkgpath = examples/intro
 hdfjarfile = jar$(PACKAGE_TARNAME)-$(PACKAGE_VERSION).jar
-CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.5.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.5.jar:$$CLASSPATH
+CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.25.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.25.jar:$$CLASSPATH
 
 jarfile = jar$(PACKAGE_TARNAME)intro.jar
 
 AM_JAVACFLAGS = $(H5_JAVACFLAGS) -deprecation
 
-TESTPACKAGE = 
+TESTPACKAGE =
 
 noinst_JAVA = \
     H5_CreateAttribute.java \
@@ -52,10 +52,10 @@ noinst_DATA = $(jarfile)
 
 .PHONY: classes
 
-check_SCRIPTS = runExample.sh
+check_SCRIPTS = JavaIntroExample.sh
 TEST_SCRIPT = $(check_SCRIPTS)
 
-CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class runExample.sh
+CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class JavaIntroExample.sh
 
 clean:
 	rm -rf $(JAVAROOT)/*