用switch语句写简易学生成绩管理系统 1学生成绩录入2学生成绩统计3学生成绩按高到低排序
时间: 2024-10-26 15:17:48 浏览: 36
在简单的学生成绩管理系统中,可以使用`switch`语句来实现功能的选择和操作。以下是使用`switch`语句的一种基础示例,它模拟了三个主要的功能:
```java
import java.util.Scanner;
public class StudentScoreManager {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("欢迎来到简易学生成绩管理系统:");
System.out.println("1. 学生成绩录入");
System.out.println("2. 学生成绩统计");
System.out.println("3. 学生成绩按高到低排序");
System.out.print("请选择您需要的功能(1/2/3): ");
int choice = scanner.nextInt();
switch (choice) {
case 1:
// 学生成绩录入
System.out.println("请输入学生姓名和成绩...");
// 实现录入逻辑(这里省略具体代码)
break;
case 2:
// 学生成绩统计
System.out.println("正在统计学生成绩...");
// 实现统计逻辑(这里也省略具体代码)
break;
case 3:
// 学生成绩按高到低排序
System.out.println("正在按成绩排序...");
// 实现排序逻辑(同样,这里是简化的示例,没有实际排序函数)
break;
default:
System.out.println("无效选择,请重新输入.");
break;
}
scanner.close();
}
}
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