Java TreeMap.lastKey()

public K lastKey()

import java.util.TreeMap;
/*from   ww w . ja  v a  2  s  . c om*/
public class Main {
   public static void main(String[] args) {
      
      TreeMap<Integer, String>  treemap = new TreeMap<Integer, String> ();
      
      // populating tree map
      treemap.put(2, "two");
      treemap.put(1, "one");
      treemap.put(3, "three");
      treemap.put(6, "six");
      treemap.put(5, "from java2s.com");
      
      // getting the last key   
      System.out.println("Checking last key");
      System.out.println("Value is: "+ treemap.lastKey());
   }     
}