Stack Implementation using Deque

StackDeque.java

/**
 * Author: Deepak Singhvi
 */
public class StackDeque extends DequeueImpl {

  public static void main(String args[]) {
    StackDeque stack = new StackDeque();
    stack.push(1);
    stack.push(2);
    stack.push(3);
    stack.push(4);

    System.out.println(stack.pop());
    System.out.println(stack.toString());
  }


  public void push(Integer element) {
    insertAtFirst(element);
  }

  public Integer pop() {
    return removeFirst();
  }
}