import java.util.HashMap; public class SimpleHashMap { public static void main(String[] args) { // create a empty hash map in java HashMap objHashMap=new HashMap(); //Put Element into hash map objHashMap.put(1,"Bharat"); objHashMap.put(4,"Vinay"); objHashMap.put(3,"Samar"); objHashMap.put(8,"Gyan"); objHashMap.put(6,"Birjesh"); System.out.println("Display the element HashMap.."); System.out.println(objHashMap); } }