学生管理系统java源码

效果展示

添加学生信息

查看添加结果

修改学生信息（根据学号）并查看

根据学号删除学生信息

 退出

package com.cfqp;

import java.util.ArrayList;
import java.util.Scanner;

public class studentManager {
    public static void main(String[] args) {
        ArrayList studentArrayList = new ArrayList<>();
        while (true) {
            System.out.println("--------欢迎来到学生管理系统--------");
            System.out.println("1 添加学生");
            System.out.println("2 删除学生");
            System.out.println("3 修改学生");
            System.out.println("4 查看所有学生");
            System.out.println("5 退出");
            System.out.println("请输入你的选择");
            Scanner sc = new Scanner(System.in);
            String line = sc.nextLine();
            switch (line) {
                case "1":
                    addStudent(studentArrayList);
                    System.out.println("添加学生成功");
                    break;
                case "2":
                    deleteStudent(studentArrayList);
                    System.out.println("删除学生成功");
                    break;
                case "3":
                    alterStudent(studentArrayList);
                    System.out.println("修改学生成功");
                    break;
                case "4":
                    System.out.println("学号 姓名 年龄 住址");
                    shoWStudent(studentArrayList);
                    break;
                case "5":
                    System.out.println("谢谢使用");
                    System.exit(0);

            }
        }

    }

    public static void addStudent(ArrayList studentArrayList) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入学生学号：");
        String sid = sc.nextLine();
        System.out.println("请输入学生姓名：");
        String name = sc.nextLine();
        System.out.println("请输入学生年龄：");
        String age = sc.nextLine();
        System.out.println("请输入学生居住地：");
        String address = sc.nextLine();
        Student stu = new Student(age, name, sid, address);
        studentArrayList.add(stu);
    }

    public static void deleteStudent(ArrayList studentArrayList) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入要删除的学号");
        String sid = sc.nextLine();
        for(int i=0;i studentArrayList) {
        System.out.println("输入您要修改的学号");
        Scanner sc = new Scanner(System.in);
        String sid = sc.nextLine();

        System.out.println("输入您要修改的姓名");
        String name = sc.nextLine();

        System.out.println("输入您要修改的年龄");
        String age = sc.nextLine();

        System.out.println("输入您要修改的地址");
        String address = sc.nextLine();


        for (int i = 0; i < studentArrayList.size(); i++) {
            if (studentArrayList.get(i).getSid().equals(sid)) {
                studentArrayList.get(i).setName(name);
                studentArrayList.get(i).setAge(age);
                studentArrayList.get(i).setAddress(address);
            }
        }

    }

    public static void shoWStudent(ArrayList studentArrayList) {
        for (int i = 0; i < studentArrayList.size(); i++) {
            System.out.print(studentArrayList.get(i).getSid()+" ");
            System.out.print(studentArrayList.get(i).getName()+" ");
            System.out.print(studentArrayList.get(i).getAge()+" ");
            System.out.println(studentArrayList.get(i).getAddress()+" ");
        }
    }
}

package com.cfqp;

public class Student {
    private String age;
    private String name;
    private String sid;
    private String address;

    public Student() {
    }

    public Student(String age, String name, String sid, String address) {
        this.age = age;
        this.name = name;
        this.sid = sid;
        this.address = address;
    }

    public String getAge() {
        return age;
    }

    public void setAge(String age) {
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getSid() {
        return sid;
    }

    public void setSid(String sid) {
        this.sid = sid;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public Student(String sid, String address) {
        this.sid = sid;
        this.address = address;
    }
}