“Entfernen von Elementen in der Java -Karte” Code-Antworten

Entfernen von Elementen in der Java -Karte

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

import java.util.*;
class Main {

	public static void main(String args[])
	{

		// Initialization of a Map
		// using Generics
		Map<Integer, String> hashmap1= new HashMap<Integer, String>();
		
		// Inserting the Elements
		hashmap1.put(1, "Apple");
		hashmap1.put(2, "Banana");
		hashmap1.put(3, "Mango");

		// Initial Map
		System.out.println("Initial Map :"+hashmap1+"\n");

		hashmap1.remove(new Integer(2));

		// Final Map
		System.out.println("Updated Map :"+hashmap1);
	}
}