宿舍管理系统Java类和接口的设计具体代码

以下是一个简单的宿舍管理系统Java类和接口的设计代码：

// Student.java 学生类
public class Student {
    private int id;
    private String name;
    private int roomId;
    private int bedId;
    
    public Student(int id, String name, int roomId, int bedId) {
        this.id = id;
        this.name = name;
        this.roomId = roomId;
        this.bedId = bedId;
    }
    
    // getter and setter methods
}

// Room.java 房间类
public class Room {
    private int id;
    private int capacity;
    private List<Integer> bedIds;
    private List<Integer> studentIds; // 学生ID列表，-1表示这个床位没有学生
    
    public Room(int id, int capacity) {
        this.id = id;
        this.capacity = capacity;
        this.bedIds = new ArrayList<Integer>();
        this.studentIds = new ArrayList<Integer>();
        for (int i = 0; i < capacity; i++) {
            this.bedIds.add(i);
            this.studentIds.add(-1);
        }
    }
    
    // getter and setter methods
    
    public void addStudent(Student student, int bedId) {
        student.setRoomId(this.id);
        student.setBedId(bedId);
        int index = this.bedIds.indexOf(bedId);
        this.studentIds.set(index, student.getId());
    }
    
    public void removeStudent(int bedId) {
        int index = this.bedIds.indexOf(bedId);
        this.studentIds.set(index, -1);
    }
}

// DormitoryManager.java 宿舍管理接口
public interface DormitoryManager {
    public List<Room> getRooms();
    public Room getRoom(int id);
    public void addRoom(Room room);
    public void removeRoom(int id);
    public void addStudent(Student student, int roomId, int bedId);
    public void removeStudent(int studentId);
}

// DormitoryManagerImpl.java 宿舍管理接口实现类
public class DormitoryManagerImpl implements DormitoryManager {
    private List<Room> rooms;
    
    public DormitoryManagerImpl() {
        this.rooms = new ArrayList<Room>();
    }
    
    // 实现接口方法
    
    public List<Room> getRooms() {
        return this.rooms;
    }
    
    public Room getRoom(int id) {
        for (Room room : this.rooms) {
            if (room.getId() == id) {
                return room;
            }
        }
        return null;
    }
    
    public void addRoom(Room room) {
        this.rooms.add(room);
    }
    
    public void removeRoom(int id) {
        Room room = getRoom(id);
        if (room != null) {
            this.rooms.remove(room);
        }
    }
    
    public void addStudent(Student student, int roomId, int bedId) {
        Room room = getRoom(roomId);
        if (room != null) {
            room.addStudent(student, bedId);
        }
    }
    
    public void removeStudent(int studentId) {
        for (Room room : this.rooms) {
            List<Integer> studentIds = room.getStudentIds();
            int index = studentIds.indexOf(studentId);
            if (index != -1) {
                room.removeStudent(room.getBedIds().get(index));
            }
        }
    }
}

以上代码实现了一个简单的宿舍管理系统，包含了学生类、房间类、宿舍管理接口和宿舍管理接口实现类。你可以根据实际需求进行修改和扩展。