Java Program to search a key and value in a Tree Map

import java.util.*;  
public class demo1 
{  
 public static void main(String args[])
 {  
   TreeMap<Integer,String> treemap=new TreeMap<Integer,String>();      
   treemap.put(1, "C#");
   treemap.put(2, "C++");
   treemap.put(3, "Java");
   treemap.put(4, "Python");
   treemap.put(5, "Perl");
   System.out.println(treemap);
       
   if(treemap.containsKey(2))
     {
      System.out.println("The Tree Map contains the key 2");
     } 
   else
     {
      System.out.println("The Tree Map does not contain the key 2");
     }
   if(treemap.containsValue("HTML"))
     {
      System.out.println("The TreeMap contains this value HTML");
     } 
   else 
     {
      System.out.println("The TreeMap does not contain the value HTML");
     }        
  }
}