if 测试

package com.zxs.process;

import java.util.Scanner;

public class ifces {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入：");
        //定义输入的数据类型
        int i = scanner.nextInt();
        if(i >= 60){
            if(i>80){
                System.out.println("优秀");
            }
            else {
                System.out.println("及格");
            }
        }

        else {
            System.out.println("不及格");
        }
        scanner.close();
    }
}