[JAVA] 백준 2754번 학점계산

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String a = scanner.nextLine();


        if (a.equals("A+")){
            System.out.println(4.3);
        } else if (a.equals("A0")) {
            System.out.println(4.0);
        } else if (a.equals("A-")) {
            System.out.println(3.7);
        } else if (a.equals("B+")) {
            System.out.println(3.3);
        } else if (a.equals("B0")) {
            System.out.println(3.0);
        } else if (a.equals("B-")) {
            System.out.println(2.7);
        } else if (a.equals("C+")) {
            System.out.println(2.3);
        } else if (a.equals("C0")) {
            System.out.println(2.0);
        } else if (a.equals("C-")) {
            System.out.println(1.7);
        } else if (a.equals("D+")) {
            System.out.println(1.3);
        } else if (a.equals("D0")) {
            System.out.println(1.0);
        } else if (a.equals("D-")) {
            System.out.println(0.7);
        } else if (a.equals("F")) {
            System.out.println(0.0);
        }
    }
}

 

 

문제점

    ->  a == 'A0' 로 적었더니 모두 false로 나옴.

         string은 ==이 안되기 때문에 .equals()를 써야함.