Java List replace element and return the relaced element

Introduction

The object being replaced is returned from the set() method. 

import java.util.Arrays;
import java.util.List;
public class Main {
  public static void main(String[] a) {
    List<String> list = Arrays.asList(new String[] { "CSS", "HTML", "Java", "Javascript" });
    //from www .ja v a2  s . c  om
    System.out.println(list);
    
    String replaced = list.set(2, "demo 2 s.com");
    
    System.out.println("replaced:"+replaced);
    
    System.out.println(list);
  }
}



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