CODE EXAMPLE FOR JAVA

Add Elements in java map

// Java program to demonstrate
// the working of Map interface

import java.util.*;
class Main {
	public static void main(String args[])
	{
		// Default Initialization of a
		// Map
		Map<Integer, String> hashmap1 = new HashMap<>();

		// Initialization of a Map
		// using Generics
		Map<Integer, String> hashmap2= new HashMap<Integer, String>();

		// Inserting the Elements
		hashmap1.put(1, "Apple");
		hashmap1.put(2, "Banana");
		hashmap1.put(3, "Mango");

		hashmap2.put(new Integer(1), "Mango");
		hashmap2.put(new Integer(2), "Apple");
		hashmap2.put(new Integer(3), "Banana");

		System.out.println(hashmap1 +"
");
		System.out.println(hashmap2);
	}
}