ST defect fixes and review comments fixes

Change-Id: Ib8c56a88c19cd9aa23918d0f9e37c89e74cb0d13
diff --git a/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java b/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java
index 9d87ee4..7574817 100644
--- a/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java
+++ b/src/main/java/org/onosproject/yangutils/datamodel/YangGrouping.java
@@ -299,9 +299,11 @@
 
     /**
      * Generate the code for YANG grouping.
+     *
+     * @param codeGenDir code generated directory.
      */
     @Override
-    public void generateJavaCodeEntry() {
+    public void generateJavaCodeEntry(String codeGenDir) {
         // TODO Auto-generated method stub
 
     }