Java Program to insert elements into the linked list at the first and last position

import java.util.*;
public class demo1 
{
 public static void main(String[] args)
 {
  LinkedList<String> link_list = new LinkedList<String>();
  link_list.add("C#");
  link_list.add("C++");
  link_list.add("Python");
  link_list.add("Perl");
  link_list.add("Ruby");
  System.out.println("Original linked list:" + link_list);    
  
  link_list.addFirst("Java");
  link_list.addLast("HTML");
  System.out.println("Final linked list:" + link_list);  
 }
}