@@ -0,0 +1,387 @@
+/**%0A * Company%0A * Copyright (C) 2014-2017 All Rights Reserved.%0A */%0Apackage com.cwenao.trying.stackandqueue;%0A%0A/**%0A * @author cwenao%0A * @version $Id GFG.java, v 0.1 2017-09-23 13:31 cwenao Exp $$%0A */%0Apublic class GFG %7B%0A    private class DLLNode %7B%0A        DLLNode preNode;%0A        DLLNode next;%0A        int data;%0A%0A        DLLNode(int data) %7B%0A            this.data = data;%0A        %7D%0A    %7D%0A%7D%0A

add the GFG