Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.IdentityHashMap;
import java.util.Map;

public class Main {
    public static void main(String[] argv) throws Exception {
        Map objMap = new IdentityHashMap();

        Object o1 = new Integer(123);
        Object o2 = new Integer(123);
        objMap.put(o1, "first");
        objMap.put(o2, "second");

        Object v1 = objMap.get(o1); // first
        Object v2 = objMap.get(o2); // second
    }
}