用java输出学生信息表代码_学生信息管理系统JAVASE版

以下是一个简单的Java学生信息管理系统的代码示例，包括添加学生、查询学生和删除学生三个基本功能。您可以根据需要进行修改和完善。

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

public class StudentInfoSystem {
    private ArrayList<Student> students;
    
    public StudentInfoSystem() {
        students = new ArrayList<Student>();
    }
    
    public void addStudent(Student student) {
        students.add(student);
    }
    
    public void removeStudent(int id) {
        for (int i = 0; i < students.size(); i++) {
            if (students.get(i).getId() == id) {
                students.remove(i);
                System.out.println("删除成功！");
                return;
            }
        }
        System.out.println("未找到该学生！");
    }
    
    public void queryStudent(int id) {
        for (int i = 0; i < students.size(); i++) {
            if (students.get(i).getId() == id) {
                System.out.println(students.get(i).toString());
                return;
            }
        }
        System.out.println("未找到该学生！");
    }
    
    public void showAllStudents() {
        for (int i = 0; i < students.size(); i++) {
            System.out.println(students.get(i).toString());
        }
    }
    
    public static void main(String[] args) {
        StudentInfoSystem sis = new StudentInfoSystem();
        Scanner scanner = new Scanner(System.in);
        while (true) {
            System.out.println("请选择操作：1.添加学生 2.删除学生 3.查询学生 4.显示所有学生 5.退出");
            int choice = scanner.nextInt();
            switch (choice) {
            case 1:
                System.out.println("请输入学生ID：");
                int id = scanner.nextInt();
                System.out.println("请输入学生姓名：");
                String name = scanner.next();
                System.out.println("请输入学生年龄：");
                int age = scanner.nextInt();
                System.out.println("请输入学生性别：");
                String gender = scanner.next();
                Student student = new Student(id, name, age, gender);
                sis.addStudent(student);
                System.out.println("添加成功！");
                break;
            case 2:
                System.out.println("请输入要删除的学生ID：");
                int id2 = scanner.nextInt();
                sis.removeStudent(id2);
                break;
            case 3:
                System.out.println("请输入要查询的学生ID：");
                int id3 = scanner.nextInt();
                sis.queryStudent(id3);
                break;
            case 4:
                sis.showAllStudents();
                break;
            case 5:
                System.exit(0);
            default:
                System.out.println("输入有误，请重新输入！");
                break;
            }
        }
    }
}

class Student {
    private int id;
    private String name;
    private int age;
    private String gender;
    
    public Student(int id, String name, int age, String gender) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.gender = gender;
    }

    public int getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }

    public String getGender() {
        return gender;
    }
    
    public String toString() {
        return "ID：" + id + " 姓名：" + name + " 年龄：" + age + " 性别：" + gender;
    }
}