Java Program to remove a given element from a tree set

import java.util.*;
public class demo1 
{
 public static void main(String[] args) 
 {
  TreeSet<String> treeset = new TreeSet<String>();
  treeset.add("C#");
  treeset.add("C++");
  treeset.add("Java");
  treeset.add("Python");
  treeset.add("HTML");
  System.out.println("Elements of tree set: " + treeset);
  treeset.remove("Java");
  System.out.println("Treeset after removing the element: "+ treeset );
 }    
}