java学生信息管理系统代码
时间: 2023-09-21 11:10:48 浏览: 36
以下是一个简单的Java学生信息管理系统的代码示例:
```java
import java.util.ArrayList;
import java.util.Scanner;
public class StudentManagementSystem {
private ArrayList<Student> students;
public StudentManagementSystem() {
students = new ArrayList<Student>();
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
StudentManagementSystem system = new StudentManagementSystem();
while (true) {
System.out.println("请输入数字选择操作:");
System.out.println("1. 添加学生");
System.out.println("2. 删除学生");
System.out.println("3. 修改学生信息");
System.out.println("4. 显示所有学生信息");
System.out.println("5. 退出系统");
int option = input.nextInt();
switch (option) {
case 1:
system.addStudent();
break;
case 2:
system.deleteStudent();
break;
case 3:
system.modifyStudent();
break;
case 4:
system.showStudents();
break;
case 5:
System.out.println("谢谢使用!");
System.exit(0);
default:
System.out.println("无效的选项,请重新输入!");
}
}
}
public void addStudent() {
Scanner input = new Scanner(System.in);
System.out.print("请输入学生姓名:");
String name = input.nextLine();
System.out.print("请输入学生年龄:");
int age = input.nextInt();
System.out.print("请输入学生性别:");
String gender = input.next();
Student student = new Student(name, age, gender);
students.add(student);
System.out.println("添加学生成功!");
}
public void deleteStudent() {
Scanner input = new Scanner(System.in);
System.out.print("请输入要删除的学生姓名:");
String name = input.nextLine();
for (int i = 0; i < students.size(); i++) {
if (students.get(i).getName().equals(name)) {
students.remove(i);
System.out.println("删除学生成功!");
return;
}
}
System.out.println("没有找到该学生!");
}
public void modifyStudent() {
Scanner input = new Scanner(System.in);
System.out.print("请输入要修改的学生姓名:");
String name = input.nextLine();
for (int i = 0; i < students.size(); i++) {
if (students.get(i).getName().equals(name)) {
System.out.print("请输入学生年龄:");
int age = input.nextInt();
System.out.print("请输入学生性别:");
String gender = input.next();
students.get(i).setAge(age);
students.get(i).setGender(gender);
System.out.println("修改学生成功!");
return;
}
}
System.out.println("没有找到该学生!");
}
public void showStudents() {
System.out.println("所有学生信息如下:");
for (int i = 0; i < students.size(); i++) {
System.out.println(students.get(i).toString());
}
}
}
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;
}
public void setAge(int age) {
this.age = age;
}
public void setGender(String gender) {
this.gender = gender;
}
public String toString() {
return "姓名:" + name + ",年龄:" + age + ",性别:" + gender;
}
}
```
这个简单的学生信息管理系统可以添加、删除、修改和显示学生信息。你可以根据需要进行修改和扩展。