您可以尝试以下
这是我的房间课
public class Rooms {
String color;
String state;
public String getColor() {
return color;
}
public void setColor(String color) {
this.color = color;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
}
现在这是我的家庭课程
public class House {
String houseName;
int numberOfRooms;
Set<Rooms> rooms=new HashSet<>();
public String getHouseName() {
return houseName;
}
public void setHouseName(String houseName) {
this.houseName = houseName;
}
public int getNumberOfRooms() {
return numberOfRooms;
}
public void setNumberOfRooms(int numberOfRooms) {
this.numberOfRooms = numberOfRooms;
}
public void setRooms(Set<Rooms> rooms) {
this.rooms = rooms;
}
public Set<Rooms> getRooms() {
return rooms;
}
public Set<House> getHouse(){
Set<House> houses=new HashSet<>();
Set<Rooms> rooms=new HashSet<>();
House h1=new House();
Rooms r1=new Rooms();
Rooms r2=new Rooms();
r1.setColor("red");
r1.setState("new");
r2.setColor("blue");
r2.setState("old");
rooms.add(r1);
rooms.add(r2);
h1.setHouseName("Haven");
h1.setNumberOfRooms(2);
h1.setRooms(rooms);
houses.add(h1);
return houses;
}
}
最后这是我的主要课程
public class MyClass {
public static void main(String[] args) {
House house=new House();
Set<House> houses=house.getHouse();
for(House h:houses){
System.out.println("House Name: "+h.getHouseName());
System.out.println("Number of rooms: "+h.getNumberOfRooms());
for(Rooms r:h.getRooms()){
System.out.println("Room color: "+r.getColor());
System.out.println("Room state: "+r.getState());
}
}
}
}