package me;

import java.util.*;

public class MapEntry {

	
	public static void main(String[] args) {
	
		Map<String, Integer> HM = new TreeMap<String, Integer>();  
		 
		HM.put("Bob", 22);
		HM.put("Dan", 30);
		HM.put("Sarah", 26);
		HM.put("Jen", 22);
		
		
		System.out.println(HM);

		//System.out.println(HM.keySet());
//		System.out.println(HM.values());
		
//		System.exit(1);
		
		
		HashSet<Map.Entry<String, Integer>> entries = new HashSet<Map.Entry<String, Integer>>();
		entries.addAll(HM.entrySet());
		
//		System.out.println(entries);
		
		System.exit(1);
		
		
		Iterator iter = entries.iterator();
		
		while (iter.hasNext()) {
			Map.Entry<String, Integer> entry = (Map.Entry<String, Integer>) iter.next();
			System.out.println("key = " + entry.getKey());
			System.out.println("value = " + entry.getValue());
		}
	
		System.exit(1);

	}

}