How to Change an Item in an ArrayList in Java

In this example we will show the method to change an item in an ArrayList in Java.

Source Code

package com.beginner.examples;

import java.util.ArrayList;

public class ChangeArrayList {
  public static void main(String[] args) {
    ArrayList strs = new ArrayList();
    strs.add("a");
    strs.set(0, "b");
    System.out.println(strs);
  }
}

Output:

[b]

References

Imported packages in Java documentation:

• Array
• Array
• List
• List
• ArrayList