Stack

package edu;
import java.util.*;
public class Stackdemo {
	public static void main(String[] args) {
		// object of stack
		Stack <Integer> stck = new Stack<>();
		stck.push(10);
		stck.push(20);
		stck.push(30);
		stck.push(40);
		stck.push(50);
		System.out.println("Stack before :" + stck);

		stck.pop();
		stck.pop();
		
		System.out.println("Stack after :" + stck);
	}

static void pushelmnt(Stack stck,int x) {
	stck.push(new Integer(x));
	System.out.println("push ->"+ x);
	System.out.println("stack" + stck);
}
static void popelmnt(Stack stck) {
	System.out.print("pop -> ");
	Integer x = (Integer) stck.pop();
	System.out.println("Stack "+ stck);
}
}