元元不絕

public class Ch05 {     

    public static void main(String[] args) {

     System.out.print("請輸入您的成績：");

     Scanner sc=new Scanner(System.in);

     int score = sc.nextInt();  //獲取收到的數字

     var level = '0';

     if(score >= 90) {

            level = 'A';

        }

        else if(score >= 80 && score < 90) {

            level = 'B';

        }

        else if(score >= 70 && score < 80) {

            level = 'C';

        }

        else if(score >= 60 && score < 70) {

            level = 'D';

        }       

        else {

            level = 'E';

        }

        System.out.println("您的分數級分為："+level);

    }

}