Room

Room.java

public class Room {
   //this annotation helps spring to identify the constructor
   //argument names when we compile the classes without debug
   //enabled
   @ConstructorProperties({"roomType"})
   public Room(String roomType) {
      this.roomType = roomType;
   }
 
   public double calculateRoomCharge() {
      double total = 0;
      for (Service service : serviceList) {
         total = total + service.calculateServiceCharge();
          }
          
      return total;
   }
   	
   public List<String> getUsedServiceNames() {
      List<String> names = new ArrayList<String>();
      for (Service service : serviceList) {
         names.add(service.printServiceInfo());
      }
          	
      return names;
   }
 
   public void setServiceList(List<Service> serviceList) {
       this.serviceList = serviceList;
   }
 
   public String getRoomType() {
      return roomType;
   }
 }