【无标题】_m0_67911983的博客-爱代码爱编程

public class fenshu {
    public static void main(String[] args){
        //创建对象
        Scanner input = new Scanner(System.in);
        System.out.println("请输入学生的分数");
        int shu =input.nextInt();
        if (shu<=100&&shu>=90) {
            System.out.println("该学生为A级");

        } else if(shu>=80&&shu<=89) {
            System.out.println("该学生为b级");

        } else if(shu>=70&&shu<=79) {
            System.out.println("该学生等级为c");

        }else if(shu>=60&&shu<=69) {
            System.out.println("该学生等级为的d");

        }else if(shu>=0&&shu<=59)
            System.out.println("该学生等级为E");

        else{
            System.out.println("输入数字错误");

        }
    }
}

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