[Java] 19. 조건 문자열

1. 문제 설명, 제한 사항, 입출력 예시

2. 아이디어

3. 풀이 코드

class Solution {
    public int solution(String ineq, String eq, int n, int m) {
        if (ineq.equals(">")){
            if(eq.equals("=")){
                if(n >= m){
                    return 1;
                }else return 0;
            }else{
                if(n > m){
                    return 1;
                }else return 0;
            }
        }else{
            if(eq.equals("=")){
                if(n <= m){
                    return 1;
                }else return 0;
            }else{
                if(n < m){
                    return 1;
                }else return 0;
            }
        }
    }
}

class Solution {
    public int solution(String ineq, String eq, int n, int m) {
        String operator = ineq+eq;
        int answer;
        if(operator.equals(">=")){
            return answer = n >= m ? 1 : 0;
        }else if(operator.equals(">!")){
            return answer = n > m ? 1 : 0;
        }else if(operator.equals("<=")){
            return answer = n <= m ? 1 : 0;
        }else return answer = n < m ? 1 : 0;
    }
}

class Solution {
    public int solution(String ineq, String eq, int n, int m) {
        return switch (ineq + eq) {
            case ">=" -> n >= m ? 1 : 0;
            case ">!" -> n > m ? 1 : 0;
            case "<=" -> n <= m ? 1 : 0;
            case "<!" -> n < m ? 1 : 0;
            default -> 0;
        };
    }
}