java hashmap map put method

/**
 * @author lautturi.com
 * Java example: hashmap map put method example
 */

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

public class Lautturi {

	public static void main(String[] args) {

		Map map = new HashMap();
		map.put("Apple", "21");
		map.put("Banana", "31");
		map.put("Cherry", "22");
		map.put("Orange", "54");

		Set<String> key = map.keySet();
		
		for (String keys : key) {
			System.out.println(keys + " : " + map.get(keys));
		}

	}
}

output:

Apple : 21
Cherry : 22
Orange : 54
Banana : 31