以下是一个简单的Java学生信息管理系统的示例代码：
```java
import java.util.ArrayList;
import java.util.Scanner;
class Student {
private String name;
private int age;
private String gender;
private String major;
public Student(String name, int age, String gender, String major) {
this.name = name;
this.age = age;
this.gender = gender;
this.major = major;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
public String getGender() {
return gender;
}
public String getMajor() {
return major;
}
}
public class StudentInfoManagementSystem {
private ArrayList
public StudentInfoManagementSystem() {
students = new ArrayList<>();
}
public void addStudent(Student student) {
students.add(student);
}
public void removeStudent(String name) {
students.removeIf(student -> student.getName().equals(name));
}
public void displayStudents() {
for (Student student : students) {
System.out.println("Name: " + student.getName() + ", Age: " + student.getAge() + ", Gender: " + student.getGender() + ", Major: " + student.getMajor());
}
}
public static void main(String[] args) {
StudentInfoManagementSystem system = new StudentInfoManagementSystem();
Scanner scanner = new Scanner(System.in);
while (true) {
System.out.println("1. Add student");
System.out.println("2. Remove student");
System.out.println("3. Display all students");
System.out.println("4. Exit");
System.out.print("Enter your choice: ");
int choice = scanner.nextInt();
scanner.nextLine(); // consume newline left-over
switch (choice) {
case 1:
System.out.print("Enter name, age, gender, and major: ");
String name = scanner.nextLine();
int age = scanner.nextInt();
String gender = scanner.nextLine();
String major = scanner.nextLine();
system.addStudent(new Student(name, age, gender, major));
break;
case 2:
System.out.print("Enter name to remove: ");
String nameToRemove = scanner.nextLine();
system.removeStudent(nameToRemove);
break;
case 3:
system.displayStudents();
break;
case 4:
System.out.println("Exiting...");
return;
default:
System.out.println("Invalid choice!");
}
}
}
}
```
这个示例代码实现了一个简单的学生信息管理系统，包括添加、删除和显示所有学生的功能。用户可以通过输入数字选择相应的操作。
