Merge branch 4.x

modules/java/generator/templates/java_class.prolog

@@ -9,7 +9,10 @@ $docs$annotation
 public class $jname {
 
     protected final long nativeObj;
-    protected $jname(long addr) { nativeObj = addr; }
+    protected $jname(long addr) {
+      nativeObj = addr;
+      $jcleaner
+    }
 
     public long getNativeObjAddr() { return nativeObj; }