프로그래머스 OX퀴즈(JAVA)

https://school.programmers.co.kr/learn/courses/30/lessons/120907

프로그래머스

 

 

 

    public String[] solution(String[] quiz) {
        String[] answer = new String[quiz.length];
        for(int i = 0 ; i < quiz.length ; i++){
            answer[i] = cal(quiz[i]);
        }
        return answer;
    }
    private static final String PLUS = "+";
    private static final String MINUS = "-";
    
    private static final String RIGHT = "O";
    private static final String WRONG = "X";
    private String cal(String str){
        String[] temp = str.split(" ");
        int num1 = Integer.parseInt(temp[0]);
        int num2 = Integer.parseInt(temp[2]);
        int result = 0;
        if(PLUS.equals(temp[1])){
            result = num1 + num2;
        }else{
            result = num1 - num2;
        }
        int num3 = Integer.parseInt(temp[4]);
        if(num3 == result){
            return RIGHT;
        }else{
            return WRONG;
        }
    }