编写一个java的学生信息管理系统
时间: 2023-05-20 13:02:04 浏览: 53
好的,我可以为您提供一个简单的Java学生信息管理系统的代码示例:
```
import java.util.ArrayList;
import java.util.Scanner;
public class StudentManagementSystem {
private ArrayList<Student> students;
public StudentManagementSystem() {
students = new ArrayList<>();
}
public void addStudent(Student student) {
students.add(student);
}
public void removeStudent(Student student) {
students.remove(student);
}
public void displayAllStudents() {
for (Student student : students) {
System.out.println(student);
}
}
public static void main(String[] args) {
StudentManagementSystem system = new StudentManagementSystem();
Scanner scanner = new Scanner(System.in);
while (true) {
System.out.println("请选择操作:");
System.out.println("1. 添加学生");
System.out.println("2. 删除学生");
System.out.println("3. 显示所有学生");
System.out.println("4. 退出");
int choice = scanner.nextInt();
scanner.nextLine();
switch (choice) {
case 1:
System.out.println("请输入学生姓名:");
String name = scanner.nextLine();
System.out.println("请输入学生年龄:");
int age = scanner.nextInt();
scanner.nextLine();
System.out.println("请输入学生性别:");
String gender = scanner.nextLine();
Student student = new Student(name, age, gender);
system.addStudent(student);
System.out.println("添加成功!");
break;
case 2:
System.out.println("请输入要删除的学生姓名:");
String nameToRemove = scanner.nextLine();
boolean removed = false;
for (Student s : system.students) {
if (s.getName().equals(nameToRemove)) {
system.removeStudent(s);
removed = true;
System.out.println("删除成功!");
break;
}
}
if (!removed) {
System.out.println("未找到该学生!");
}
break;
case 3:
system.displayAllStudents();
break;
case 4:
System.out.println("谢谢使用!");
System.exit(0);
default:
System.out.println("无效的选择!");
}
}
}
}
class Student {
private String name;
private int age;
private String gender;
public Student(String name, int age, String gender) {
this.name = name;
this.age = age;
this.gender = gender;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
public String getGender() {
return gender;
}
@Override
public String toString() {
return "姓名:" + name + ",年龄:" + age + ",性别:" + gender;
}
}
```
希望这个示例能够帮助您编写Java学生信息管理系统。