Java Utility Library

Java Stack - add() Method

The java.util.Stack.add() method is used to add a new element at the top of the stack.

Syntax

public boolean add(E element)

Here, E is the type of element maintained by the container.

Parameters

element Specify element which need to be added in the stack.

Return Value

Returns true if the element is successfully added, else returns false.

Exception

Example:

In the example below, the java.util.Stack.add() method is used to add new element at the top of the stack.

import java.util.*;

public class MyClass {
  public static void main(String[] args) {
    //creating a stack
    Stack<Integer> MyStack = new Stack<Integer>();

    //populating stack
    MyStack.push(10);
    MyStack.push(20);
    MyStack.push(30);

    //adding element using add() method
    MyStack.add(100);
    MyStack.add(200);

    //printing stack
    System.out.println("MyStack contains: " + MyStack);   
  }
}

The output of the above code will be:

MyStack contains: [10, 20, 30, 100, 200]

❮ Java.util - Stack