帮我用java写一个学生管理系统
时间: 2023-05-26 18:01:37 浏览: 65
好的,以下是一个简单的学生管理系统的Java代码:
```java
import java.util.ArrayList;
import java.util.Scanner;
public class StudentManagementSystem {
static Scanner scanner = new Scanner(System.in);
static ArrayList<Student> studentList = new ArrayList<>();
public static void main(String[] args) {
int option;
do {
System.out.println("\n--------Menu--------");
System.out.println("1. Add new student");
System.out.println("2. Delete a student");
System.out.println("3. View all students");
System.out.println("4. Exit");
System.out.print("Enter your option: ");
option = scanner.nextInt();
switch (option) {
case 1:
addStudent();
break;
case 2:
deleteStudent();
break;
case 3:
viewAllStudents();
break;
case 4:
System.out.println("Goodbye!");
break;
default:
System.out.println("Invalid option.");
break;
}
} while (option != 4);
}
public static void addStudent() {
System.out.print("Enter student name: ");
String name = scanner.next();
System.out.print("Enter student ID: ");
int id = scanner.nextInt();
studentList.add(new Student(name, id));
System.out.println("Student added.");
}
public static void deleteStudent() {
System.out.print("Enter student name: ");
String name = scanner.next();
for (int i = 0; i < studentList.size(); i++) {
if (studentList.get(i).getName().equals(name)) {
studentList.remove(i);
System.out.println("Student deleted.");
return;
}
}
System.out.println("Student not found.");
}
public static void viewAllStudents() {
System.out.println("\n--------All Students--------");
for (Student student : studentList) {
System.out.println(student.getName() + " (" + student.getId() + ")");
}
}
}
class Student {
private String name;
private int id;
public Student(String name, int id) {
this.name = name;
this.id = id;
}
public String getName() {
return name;
}
public int getId() {
return id;
}
}
```
此代码提供以下功能:
1. 添加学生:输入学生姓名和ID,将其添加到学生列表中。
2. 删除学生:输入学生姓名,查找并删除该学生。
3. 查看所有学生:显示所有学生的姓名和ID。
4. 退出系统:退出程序。
注意:此代码仅为基础示例,未包含持久化数据以及其他高级功能。