TestQueue.java

package dsa.stack;

public class TestQueue {
 public static void main(String[] args) {
  QueueStack<Integer> queueUsingStack = new QueueStack<Integer>();
  queueUsingStack.enQueue(1).enQueue(2).enQueue(3).enQueue(4).enQueue(5).enQueue(6);
  System.out.println("Queue current size is : "+queueUsingStack.size());
  System.out.println(queueUsingStack.deQueue());
  System.out.println(queueUsingStack.deQueue());
  System.out.println(queueUsingStack.deQueue());
  System.out.println(queueUsingStack.deQueue());
  queueUsingStack.enQueue(10).enQueue(11).enQueue(12);
  System.out.println(queueUsingStack.deQueue());
  System.out.println(queueUsingStack.deQueue());
  System.out.println(queueUsingStack.deQueue());
  System.out.println(queueUsingStack.deQueue());
 }
}
/*
Queue current size is : 6
1
2
3
4
5
6
10
11
*/