ENH: Added Java Test to make sure the Garbage Collector works correctly

tests/Java/CMakeLists.txt

@@ -20,6 +20,7 @@ ADD_TEST_JAVA_LDPATH("")
 # ------------------------
 ADD_TEST_JAVA(TestXdmfJava)
 ADD_TEST_JAVA(TestXdmfEquals)
+ADD_TEST_JAVA(TestXdmfGC)
 
 # Add any java cleanup here:
 # Note: We don't want to use a foreach loop to test the files incase we
@@ -30,6 +31,7 @@ CLEAN_TEST_JAVA(TestXdmfJava
 	outputJavaTest.xmf
 )
 CLEAN_TEST_JAVA(TestXdmfEquals)
+CLEAN_TEST_JAVA(TestXdmfGC outputXdmfGC.xmf)
 
 # Add a custom target for all java tests 
 # Note: ${TARGETS} is set in ADD_TEST_JAVA

tests/Java/TestXdmfGC.java

+import mil.army.arl.xdmf.*;
+
+public class TestXdmfGC {
+    public static void main (String argv[]) {
+        System.out.println("Hello Java World (Garbage Collector)");
+
+	for(int i = 0; i < 10; i++)        
+	{
+	    System.gc();
+	    XdmfWriter w = XdmfWriter.New("outputXdmfGC"); 
+	    XdmfDomain d = XdmfDomain.New();
+	    d.accept(w);
+	}
+        
+        System.out.println("Done");
+    }	    
+}