Showing posts with label treemap example. Show all posts
Showing posts with label treemap example. Show all posts

Thursday, 18 June 2015

How to Search key in TreeMap Java

import java.util.Map;
import java.util.TreeMap;

public class TreeMapSearchKey {
   
    public static void main(String[] args) {
       
        Map<Integer, String> tm = new TreeMap<Integer,String>();
       
        // add key and values
        tm.put(1,"java");
        tm.put(2,"cpp");
        tm.put(3,"php");
        tm.put(4,"c");
        tm.put(5, "mysql");
       
        //print treemap
   
        System.out.println("TreeMap Is="+tm);
        System.out.println(tm.containsKey(1));
        System.out.println(tm.containsKey(18));
        System.out.println(tm.containsKey(3));
        System.out.println(tm.containsKey(25));
       
       
    }

}

Output:

TreeMap Is={1=java, 2=cpp, 3=php, 4=c, 5=mysql}

true

false

true

false