a_142_Stack_Using_Deque.java

import java.util.*; 
public class a_142_Stack_Using_Deque {

    static class Stack {
        Deque<Integer> dq = new LinkedList<>() ;

        public void push(int data) {
            dq.addLast(data);
        }

        public int pop(){
            return dq.removeLast() ;
        }

        public int peek(){
            return dq.getLast() ;
        }


    }
    public static void main(String[] args) {
        Stack s = new Stack() ;
        s.push(1);
        s.push(2);
        s.push(3);
        s.push(4);
        s.push(5);

        System.out.println("Top ele " + s.peek());

        System.out.print(s.pop() +" ");
        System.out.print(s.pop() +" ");
        System.out.print(s.pop()+" ");
        System.out.print(s.pop()+" ");
        System.out.print(s.pop()+" ");

        
    }
}