code-by-code
diff --git a/‎src/stackqueues/queueusingstack/QueueUsingStack.java‎
Lines changed: 15 additions & 2 deletions b/‎src/stackqueues/queueusingstack/QueueUsingStack.java‎
Lines changed: 15 additions & 2 deletions
diff --git a/‎src/stackqueues/test/TestStackQueue.java‎
Lines changed: 0 additions & 25 deletions b/‎src/stackqueues/test/TestStackQueue.java‎
Lines changed: 0 additions & 25 deletions
@@ -16,8 +16,9 @@
  * Time: 1:56 PM
  */
 public class QueueUsingStack {
-    Stack<String> stack1 = new Stack<String>();
-    Stack<String> stack2 = new Stack<String>();
+
+    private Stack<String> stack1 = new Stack<>();
+    private Stack<String> stack2 = new Stack<>();
 
     public void add(String temp) {
         stack1.push(temp);
@@ -31,4 +32,16 @@ public String remove() {
         }
         return stack2.pop();
     }
+
+    public static void main(String[] args) {
+        QueueUsingStack queueUsingStack = new QueueUsingStack();
+        queueUsingStack.add("A");
+        queueUsingStack.add("B");
+        queueUsingStack.add("C");
+        System.out.print(queueUsingStack.remove());
+        System.out.print(queueUsingStack.remove());
+        queueUsingStack.add("D");
+        System.out.print(queueUsingStack.remove());
+        System.out.print(queueUsingStack.remove());
+    }
 }