프로그래머스 위장

아..지겹다. 개념이 없으니 삽질하는 시간은 많아지고..

package programmers5;

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

public class Main {
	public static void main(String[] args) {
		String[][] clothes = new String[3][2];
		clothes[0][0] = "yellow_hat";
		clothes[0][1] = "headgear";

		clothes[1][0] = "blue_sunglasses";
		clothes[1][1] = "headgear";

		clothes[2][0] = "green_turban";
		clothes[2][1] = "headgear";

		Solution sol = new Solution();

		sol.solution(clothes);

		System.out.println("여기");
	}// void main

} // Main

class Solution {
	public int solution(String[][] clothes) {

		System.out.println("여기");
		System.out.println(clothes.length);

		HashMap<String, Integer> temp = new HashMap<>();
		for (int i = 0; i < clothes.length; i++) {
			// 만약 contain하면 숫자 증가.

			if (temp.containsKey(clothes[i][1]))
				temp.put(clothes[i][1],temp.get(clothes[i][1])+1);
//			temp.computeIfPresent(clothes[i][1], arg1);
			else
				temp.put(clothes[i][1], 1);
			
		}

		Set set = temp.keySet();
		Iterator itr = set.iterator();
		int tempNum = 1;

		while (itr.hasNext()) {
			String key = (String) itr.next();
			System.out.println("key는" + key);
			System.out.println("value는" + temp.get(key));
			tempNum = tempNum * (temp.get(key) + 1);

		}

		System.out.println("전체숫자는" + (tempNum-1));
//		System.out.println(temp.values());

		int answer = tempNum-1;
		return answer;
	}
}