Java Examples - Replace an element in a list


Problem Description:

How to replace an element in a list


Following example uses replaceAll() method to replace all the occurance of an element with a different element in a list.

import java.util.*;

public class Main {
   public static void main(String[] args) {
      List list = Arrays.asList("one Two three Four five six
      one three Four".split(" "));
      System.out.println("List :"+list);
      Collections.replaceAll(list, "one", "hundread");
      System.out.println("replaceAll: " + list);


The above code sample will produce the following result.

List :[one, Two, three, Four, five, six, one, three, Four]
replaceAll: [hundread, Two, three, Four, five, six,
hundread, three, Four]