Java Program to update specific array element by given element

import java.util.*;
public class demo1
{
 public static void main(String[] args) 
 {
  List<String> list = new ArrayList<String>();
  list.add("C#");
  list.add("C++");
  list.add("Python");
  list.add("Perl");
  list.add("Ruby");
  System.out.println(list);
  list.set(2, "Java");
  System.out.println(list);
 }
}