QueueUsingStackClient.java

packagesection11_Queue;

publicclassQueueUsingStackClient {

publicstaticvoidmain(String[] args) {

System.out.println("\n----------- enqueue efficient -------\n");

QueueUsingStackEnqueueEfficientqueue = newQueueUsingStackEnqueueEfficient();

System.out.println("size : " + queue.size());
queue.enqueue(10);
queue.enqueue(20);
System.out.println("front: " + queue.front());
System.out.println("size : " + queue.size());

queue.enqueue(30);
queue.enqueue(1);

System.out.println("removed: " + queue.dequeue());
System.out.println("front: " + queue.front());

System.out.println("\n----------- dequeue efficient -------\n");

QueueUsingStackDequeueEfficientqueue2 = newQueueUsingStackDequeueEfficient();

System.out.println("size : " + queue2.size());
queue2.enqueue(10);
queue2.enqueue(20);
System.out.println("front: " + queue2.front());
System.out.println("size : " + queue2.size());

queue2.enqueue(30);
queue2.enqueue(1);

System.out.println("removed: " + queue2.dequeue());
System.out.println("front: " + queue2.front());

 }

}