1 10 Fix java data export functions (#450)

* HDFFV-10865 - merge from dev, HDFArray perf fix.

* Remove duplicate setting

* Whitespace changes after clang format

* Undo version 11 clang format changes

* Merge CMake changes from develop

* test testing script merge from develop

* Update supported platforms

* PR#3 merge from develop

* Merge gcc 10 diagnostics option from develop

* Merge #318 OSX changes from develop

* Merge small changes from develop

* Minor non-space formatting changes

* #386 copyright corrections for java folder

* Merges from develop

#358 patches from vtk
#361 fix header guard spelling

* Merge updates

#358 patches from vtk
#361 fix header guard spelling

* format fix

* Fix missing underscore and make H5public.h closer to dev

* Merges from develop

#340 clang -Wformat-security warnings
#360 Fixed uninitialized warnings
header guard underscore cleanup
JNI cleanup

* format alignment

* Add missing test ref file

* Merge #380 from develop

* Finish java merges from develop

* Fix java issues with tests and javadoc

* Correct use of attribute access plist

* Remove debug code

* Remove unused variable

* Change file access to read only for java tests

* Split clang format operations.

* More javadoc comments

* Remove pre-split setting

* format source

java/examples/groups/H5Ex_G_Traverse.java

@@ -42,7 +42,7 @@ public class H5Ex_G_Traverse {
     public static H5L_iterate_cb iter_cb = new H5L_iter_callbackT();
 
     private static void OpenGroup() {
-        long file_id = -1;
+        long file_id = HDF5Constants.H5I_INVALID_HID;
         H5O_info_t infobuf;
         opdata od = new opdata();