java写的订房系统（对于加深基础很有帮助）作业题

java写的订房系统（对于加深基础很有帮助）

1.是用数组写的，拿去运行就行了，注释详细，不怕看不懂，适合小白，也是很多学java经常碰见的作业

public class Room extends Object{private int roomId;//房间的标编号private String roomType;//房间的类型private boolean roomStatus; //房间的状态 true 表示空闲，false表示占用@Overridepublic boolean equals(Object o) {if (this == o) return true;if (!(o instanceof Room)) return false;Room room = (Room) o;return getRoomId() == room.getRoomId() &&getRoomStatus() == room.getRoomStatus() &&Objects.equals(getRoomType(), room.getRoomType());}@Overridepublic String toString() {return "Room{" +"房间编号=" + roomId +", 房间类型='" + roomType + '\'' +", 房间状态=" + (roomStatus?"空闲":"占用") +'}';}@Overridepublic int hashCode() {return Objects.hash(getRoomId(), getRoomType(), getRoomStatus());}public Room() {}public Room(int roomId, String roomType, boolean roomStatus) {this.roomId = roomId;this.roomType = roomType;this.roomStatus = roomStatus;}public int getRoomId() {return roomId;}public void setRoomId(int roomId) {this.roomId = roomId;}public String getRoomType() {return roomType;}public void setRoomType(String roomType) {this.roomType = roomType;}public boolean getRoomStatus() {return roomStatus;}public void setRoomStatus(boolean roomStatus) {this.roomStatus = roomStatus;} }

2.一共两个public类，另一个请创建新的

public class Hotel {//酒店里面有二维数组，里面有房间private Room[][] rooms;public Room[][] getRooms() {return rooms;}public void setRooms(Room[][] rooms) {this.rooms = rooms;}public Hotel() {rooms=new Room[ 3][10];for (int i = 0; i < rooms.length; i++) {int row=100;String roomtype;if(i==0){roomtype="小房间";}else if (i==1){roomtype="大房间";}else{roomtype="总统套房";}for (int i1 = 0; i1 < rooms[i].length; i1++) {int list=row;rooms[i][i1]=new Room((i+1)*100+i1,roomtype,true);}}}public void printRoomStatus(){for (int i = 0; i < rooms.length; i++) {for (int i1 = 0; i1 < rooms[i].length; i1++) {System.out.print(rooms[i][i1]+" ");if(i1%4==0){System.out.println();}}}}public void order(int roomNumber){int c=roomNumber/100;int d=(roomNumber-c*100)/10;int m=(roomNumber-c*100-d*10);Room room = rooms[c][d+m];if(rooms[c][d+m].getRoomStatus()==false){System.out.println("此房间已满请选择其他房间");return;}room.setRoomStatus(false);System.out.println("订房成功");}public void exit(int roomNumber){int c=roomNumber/100;int d=(roomNumber-c*100)/10;int m=(roomNumber-c*100-d*10);Room room = rooms[c][d+m];room.setRoomStatus(true);System.out.println("退房成功");}public void hotelSystem(){System.out.println("输入1 表示订房，输入2表示查看房间状态，输入3推出系统");Scanner scanner=new Scanner(System.in);System.out.println("请输入编号");int choice=scanner.nextInt();switch (choice){case 1:{System.out.println("下面展示房间的状态");System.out.println("-------------------------------------------------------------------------------");printRoomStatus();System.out.println("-------------------------------------------------------------------------------");System.out.println("请输入房间的编号然后开始订房");Scanner sc=new Scanner(System.in);int roomNumber;roomNumber=sc.nextInt();order( roomNumber);break;}case 2:{printRoomStatus();}case 3:{System.out.println("欢迎下次使用");break;}}}} class Customer{private Hotel hotel;public Hotel getHotel() {return hotel;}public void setHotel(Hotel hotel) {this.hotel = hotel;}public Customer() {hotel=new Hotel();}public static void main(String[] args){Customer xiaoming=new Customer();xiaoming.hotel.hotelSystem();}}

3.拿去看看。多理解，对java学习很有帮助，这也是很多学java的朋友经常会碰到的一道作业把

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