package ch10.collection.Map;

import java.util.HashMap;

public class Ex01 {
	public static void main(String[] args) {
		HashMap<String, String> map=new HashMap<String, String>();
		map.put("Spring", "봄");
		map.put("Summer", "여름");
		map.put("Fall", "가을");
		map.put("Winter", "겨울");
		
		System.out.println(map.get("Fall"));
		System.out.println(map.toString() + "\\n");
		
		HashMap<Integer, Double> h=new HashMap<Integer, Double>();
		h.put(10, 63.5);
		h.put(20, 68.5);
		h.put(30, 66.5);
		
		System.out.println(h.get(10));
		System.out.println(h.toString() + "\\n");
		
		HashMap<String, Integer> a=new HashMap<String, Integer>();
		a.put("apple", 10);
		a.put("banana", 20);
		a.put("melon", 30);
		
		System.out.println(a.get("apple"));
		System.out.println(a.toString() + "\\n");
		
		a.put("JSP", 51);
		
		a.replace("apple", 81);
		System.out.println(a.toString());
		
		a.remove("melon");
		System.out.println(a.toString());
	}
}

가을
{Winter=겨울, Summer=여름, Fall=가을, Spring=봄}

63.5
{20=68.5, 10=63.5, 30=66.5}

10
{banana=20, apple=10, melon=30}

{banana=20, apple=81, JSP=51, melon=30}
{banana=20, apple=81, JSP=51}