Wednesday, November 28, 2012

Simple usage of java HashMap

import java.util.*;

public class HashMapTest {
    public static void main(String[] args) {
        HashMap hm = new HashMap();
        hm.put("test1", 1);
        hm.put("test2", 2);
        System.out.println("test1 = " + hm.get("test1"));
        System.out.println("test2 = " + hm.get("test2"));
    }
}


$ javac HashMapTest.java
$ java HashMapTest
test1 = 1
test2 = 2