Java.util.ArrayList.add() Method

Description

The java.util.ArrayList.add(E e) method appends the specified element E to the end of the list.

Declaration

Following is the declaration for java.util.ArrayList.add() method

public boolean add(E e)

Parameters

• e -- The element to be appended to this list.

Return Value

This method returns true.

Exception

• NA

Example

The following example shows the usage of java.util.Arraylist.add(E) method.

package com.tutorialspoint;

import java.util.ArrayList;

public class ArrayListDemo {
   public static void main(String[] args) {
      
    // create an empty array list with an initial capacity
    ArrayList<Integer> arrlist = new ArrayList<Integer>(5);

    // use add() method to add elements in the list
    arrlist.add(15);
    arrlist.add(20);
    arrlist.add(25);
	  
    // let us print all the elements available in list
    for (Integer number : arrlist) {
      System.out.println("Number = " + number);
     }
  }
}

Let us compile and run the above program, this will produce the following result:

Number = 15
Number = 20
Number = 25