Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.TreeMap;

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

        TreeMap<Integer, String> treemap = new TreeMap<Integer, String>();
        TreeMap<Integer, String> treemap_putall = new TreeMap<Integer, String>();

        // populating tree map
        treemap.put(2, "two");
        treemap.put(1, "one");
        treemap.put(3, "three");
        treemap.put(6, "six");
        treemap.put(5, "from java2s.com");

        treemap_putall.put(1, "1");
        treemap_putall.put(2, "2");
        treemap_putall.put(7, "7");

        System.out.println("Value before modification: " + treemap);

        // Putting 2nd map in 1st map
        treemap.putAll(treemap_putall);

        System.out.println("Value after modification: " + treemap);
    }
}