Java ArrayList.add(E e) Method

public boolean add(E e)

This method is used to append an element to a ArrayList.

Package: java.util

Java Platform: Java SE 8

Syntax:

add(E e)

Parameters:

Return Value :
Returns true if the element was successfully added; false otherwise.

Return Value Type: boolean

Pictorial presentation of ArrayList.add(E e) Method

Example: ArrayList.add(E e) Method

This example creates an ArrayList object, and adds 5 colors to the list.

import java.util.*;

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

    // use add() method to add values in the list
    color_list.add("White");
    color_list.add("Black");
    color_list.add("Red");
    color_list.add("White");
	color_list.add("Yellow");
	    
	// Print out the colors in the ArrayList
    for (int i = 0; i < 5; i++)
      {
         System.out.println(color_list.get(i).toString());
      }
  }
}  
 

Output:

F:\java>javac test.java

F:\java>java test
White
Black
Red
White
Yellow

Java Code Editor:

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