题解 | #判断学生成绩等级#

/1.用switch语句写 2.使用grade.equals("X"); import java.util.Scanner;/

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

    //write your code here......
    
    if(grade.equals("A")){
        System.out.println("优秀");
    }else if(grade.equals("B")){
        System.out.println("良好");
    }else if(grade.equals("C")){
        System.out.print("及格\n");
    }else if(grade.equals("D")){
       System.out.println("不及格");
    }else{
        System.out.println("未知等级");
    }

}

}