Look object at top of the stack using E peek( )

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                            The  peek( )method is used to look at the object at the top of this stack without removing it from the stack.

Example Program

import java.util.Stack;

public class Stackpeek 

{

	public static void main(String args[]) 
	
	{

		Stack n = new Stack();

		n.push("A");

		n.push("B");

		n.push("C");

		n.push("D");

		System.out.println("stack is empty: " + n.peek());

	}

}

Output

stack is empty: D

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