java大作业（控制台程序，没有任何框架，大学生必备）-- 房屋出租系统

本篇分享一个Java期末大作业系统，Java期末大作业设计 房屋出租系统
主页还有，多瞅瞅，别直接就抄了，你同学也在抄，要是答案都给你了还不会用，我建议你还是学一下qwq

package demo5;


import java.awt.*;
import java.util.ArrayList;
import java.util.Scanner;

/**
 * @author 幻影2021
 * @version 1.0
 * @date 2023/9/22
 * @time 1:00
 * 房屋出租
 */
public class HouseRentSystem {
    
    
    public static void main(String[] args) {
    
    

        boolean flag = true;
        Scanner scanner = new Scanner(System.in);
        String key = "";
        ArrayList<House> houses = new ArrayList<>();

        do {
    
    
            new Menu().menu();
            key = scanner.next();
            switch (key) {
    
    
                case "1":
                    House house = new House();
                    System.out.println("======添加房源信息=======");
                    System.out.println("请输入编号：");
                    house.id = scanner.nextInt();
                    System.out.println("请输入房主姓名：");
                    house.name = scanner.next();
                    System.out.println("请输入电话：");
                    house.phone = scanner.next();
                    System.out.println("请输入地址：");
                    house.address = scanner.next();
                    System.out.println("请输入月租：");
                    house.rent = scanner.nextDouble();
                    System.out.println("请输入出租状态：");
                    house.state = scanner.next();
                    houses.add(house);
                    System.out.println("房源信息添加成功！");


                    break;
                case "2":
                    System.out.println("请输入要查找房屋的编号");

                    int searchId = scanner.nextInt(); // 从用户输入中获取房源ID
                    for (House h : houses) {
    
     // 遍历ArrayList
                        if (h.id == searchId) {
    
     // 如果找到了要查找的房源
                            System.out.println("找到房源信息：");
                            System.out.println("编号：" + h.id);
                            System.out.println("房主姓名：" + h.name);
                            System.out.println("手机号：" + h.phone);
                            System.out.println("地址：" + h.address);
                            System.out.println("月租：" + h.rent);
                            System.out.println("状态：" + h.state);
                        }else {
    
    
                            System.out.println("未找到房源信息");
                        }
                    }
                    break;
                case "3":
                    System.out.println("请输入要删除的房源编号：");
                    int deleteId = scanner.nextInt();
                    for (int i = 0; i < houses.size(); i++) {
    
    
                        if (houses.get(i).id == deleteId){
    
    
                            houses.remove(i);
                            System.out.println("删除成功");
                        }
                    }

                    break;
                case "4":
                    System.out.println("请输入要修改房源信息的编号");
                    int modifyId = scanner.nextInt();
                    for (House house1 : houses) {
    
    
                        if (house1.id == modifyId){
    
    
                            System.out.println("请输入新的编号：");
                            house1.id = scanner.nextInt();
                            System.out.println("请输入新的房主姓名：");
                            house1.name = scanner.next();
                            System.out.println("请输入新的电话：");
                            house1.phone = scanner.next();
                            System.out.println("请输入新的地址：");
                            house1.address = scanner.next();
                            System.out.println("请输入新的月租：");
                            house1.rent = scanner.nextDouble();
                            System.out.println("请输入新的出租状态：");
                            house1.state = scanner.next();
                            System.out.println("房源信息修改成功！");

                        }else {
    
    
                            System.out.println("没有该房源");
                        }
                    }
                    break;
                case "5":
                    if (houses.size() != 0){
    
    
                        for (House house2 : houses) {
    
    
                            System.out.println("编号：" + house2.id);
                            System.out.println("房主姓名：" + house2.name);
                            System.out.println("手机号：" + house2.phone);
                            System.out.println("地址：" + house2.address);
                            System.out.println("月租：" + house2.rent);
                            System.out.println("状态：" + house2.state);
                        }
                    }else {
    
    
                        System.out.println("暂时还没有房源信息");
                    }
                    break;
                case "6":
                    // 退出系统功能
                    flag = false;
                    break;
                default:
                    System.out.println("输入有误，请重新输入！");
                    break;
            }


        } while (flag);


    }
}


class Menu {
    
    
    public void menu() {
    
    
        System.out.println("\n=============房屋出租系统菜单============");
        System.out.println("\t\t\t1 新 增 房 源");
        System.out.println("\t\t\t2 查 找 房 屋");
        System.out.println("\t\t\t3 删 除 房 屋 信 息");
        System.out.println("\t\t\t4 修 改 房 屋 信 息");
        System.out.println("\t\t\t5 房 屋 列 表");
        System.out.println("\t\t\t6 退      出");
        System.out.print("请输入你的选择(1-6): ");
    }
}

class House {
    
    
    //添加房屋属性
    //1.编号
    // 2.房主
    // 3.电话
    // 4.地址
    // 5.月租
    // 6.状态(未出租/已出租)
    public int id;
    public String name;
    public String phone;
    public String address;
    public double rent;
    public String state;

}