1 files changed, 7 insertions, 7 deletions
diff --git a/java/examples/datasets/H5Ex_D_External.java b/java/examples/datasets/H5Ex_D_External.java
index 5cf03af..c88234c 100644
--- a/java/examples/datasets/H5Ex_D_External.java
+++ b/java/examples/datasets/H5Ex_D_External.java
@@ -34,10 +34,10 @@ public class H5Ex_D_External {
     private static final int NAME_BUF_SIZE = 32;
 
     private static void writeExternal() {
-        long file_id = -1;
-        long dcpl_id = -1;
-        long filespace_id = -1;
-        long dataset_id = -1;
+        long file_id = HDF5Constants.H5I_INVALID_HID;
+        long dcpl_id = HDF5Constants.H5I_INVALID_HID;
+        long filespace_id = HDF5Constants.H5I_INVALID_HID;
+        long dataset_id = HDF5Constants.H5I_INVALID_HID;
         long[] dims = { DIM_X, DIM_Y };
         int[][] dset_data = new int[DIM_X][DIM_Y];
 
@@ -138,9 +138,9 @@ public class H5Ex_D_External {
     }
 
     private static void readExternal() {
-        long file_id = -1;
-        long dcpl_id = -1;
-        long dataset_id = -1;
+        long file_id = HDF5Constants.H5I_INVALID_HID;
+        long dcpl_id = HDF5Constants.H5I_INVALID_HID;
+        long dataset_id = HDF5Constants.H5I_INVALID_HID;
         int[][] dset_data = new int[DIM_X][DIM_Y];
         String[] Xname = new String[1];