1 files changed, 3 insertions, 3 deletions
diff --git a/java/examples/groups/H5Ex_G_Compact.java b/java/examples/groups/H5Ex_G_Compact.java
index 6078c6c..a24ed33 100644
--- a/java/examples/groups/H5Ex_G_Compact.java
+++ b/java/examples/groups/H5Ex_G_Compact.java
@@ -60,9 +60,9 @@ public class H5Ex_G_Compact {
     }
 
     public static void CreateGroup() {
-        long file_id = -1;
-        long group_id = -1;
-        long fapl_id = -1;
+        long file_id = HDF5Constants.H5I_INVALID_HID;
+        long group_id = HDF5Constants.H5I_INVALID_HID;
+        long fapl_id = HDF5Constants.H5I_INVALID_HID;
         H5G_info_t ginfo;
         long size;