Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.HashMap;

public class Main {
    public static void main(String args[]) {

        HashMap<Integer, String> newmap2 = new HashMap<Integer, String>();
        HashMap<Integer, String> newmap1 = new HashMap<Integer, String>();

        // populate hash map
        newmap1.put(1, "tutorials");
        newmap1.put(2, "from");
        newmap1.put(3, "java2s.com");

        System.out.println("Values in newmap1: " + newmap1);

        // put all values in newmap2
        newmap2.putAll(newmap1);

        System.out.println("Values in newmap2: " + newmap2);
    }
}