package com.company;
import java.util.Scanner;
public class demo02 {
public static void main(String[] args){
Scanner scanner =new Scanner((System.in)); // 定义一个键盘扫描盘
System.out.println("请输入计算机基础的成绩");
int score1 = scanner.nextInt();
System.out.println("请输入Java的成绩:");
int score2 = scanner.nextInt();
System.out.println("请输入mysql的成绩");
int score3 = scanner.nextInt();
int different =score1 - score2;
System.out.println("计算机基础与JAVA之间的成绩差");
double avg = (score1 + score2 + score3) /3.8;
System.out.println("平均数成绩位" + avg);
}
}
