Java基础：成绩等级判定

import java.util.Scanner;

/**
 * 成绩等级判定
 */
public class GradeLevel {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入您的成绩：");
        int grade=scanner.nextInt();
        Level(grade);
    }
    /**
     * 判断成绩等级
     * @param grade 传入参数值分数
     */
    public static void Level(int grade){
        if(grade<60){
            System.out.println("不及格");
        }else if(grade>=60&&grade<80){
            System.out.println("成绩合格");
        }else if(grade>=80&&grade<90){
            System.out.println("成绩良好");
        }else if(grade>=90&&grade<=100){
            System.out.println("成绩优秀");
        }else{
            System.out.println("无效成绩");
        }

    }
}