iterate through the hashtable in java

/**
 * @author lautturi.com
 * Java example: java iterate through hashtable
 */

import java.util.*;
import java.util.Map.Entry;

public class Lautturi {

	public static void main(String[] args) {
		
		Hashtable<Integer,String> hash_tab=new Hashtable<Integer,String>(); 

		hash_tab.put(5,"Apple");
		hash_tab.put(7,"Banana");
		hash_tab.put(12,"Cherry");
		hash_tab.put(33,"Orange");
		hash_tab.put(23,"Lautturi");

		hash_tab.forEach( 
	            (k, v) -> System.out.println("Key : " + k + ", Value : " + v)
	    ); 

	}
}

output:

Key : 33, Value : Orange
Key : 23, Value : Lautturi
Key : 12, Value : Cherry
Key : 5, Value : Apple
Key : 7, Value : Banana