HashMap특성 2

package com.map;//HashMap 기본2
//HashMap의 key는 문자열, 즉  의미있는 문자를 넣는다

import java.util.HashMap;
import java.util.Set;
import java.util.Iterator;

public class MapEx1 {
	public static void main(String[] args) {
		String[] msg = {"Berlin","Paris","Seoul","New York","London"};

		HashMap map = new HashMap();

		for(int i=0 ; i s = map.keySet();
		Iterator keys2 = s.iterator();*/
		
		Iterator keys2 = map.keySet().iterator();
		while(keys2.hasNext()){
			Integer key = keys2.next();
			System.out.print(key+", ");
			System.out.println(map.get(key));
		}
	}
}

{0=Berlin, 1=Paris, 2=Seoul, 3=New York, 4=London}

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

0, Berlin

1, Paris

2, Seoul

3, New York

4, London