java hashmap example remove elements

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java hashmap example remove elements
/**
 * @author lautturi.com 
 * Java example: remove element from hashmap in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		// Creating a HashMap
		HashMap<Integer, String> map = new HashMap<Integer, String>();

		// Put elements in Map
		map.put(1, "Apple");
		map.put(2, "Banana");
		map.put(3, "Cherry");
		map.put(4, "Orange");
		map.put(5, "Lautturi");

		// print the hashmap using for-each loop
		for (Map.Entry m : map.entrySet()) {
			System.out.println(m.getKey() + " " + m.getValue());
		}

		// remove element associated with key 2
		String value = map.remove(2);
		System.out.println("Removed value: " + value);

		for (Map.Entry m : map.entrySet()) {
			System.out.println(m.getKey() + " " + m.getValue());
		}

	}
}

output:

1 Apple
2 Banana
3 Cherry
4 Orange
5 Lautturi
Removed value: Banana
1 Apple
3 Cherry
4 Orange
5 Lautturi
Created Time:2017-09-24 23:04:59  Author:lautturi