Java: Create the vehicle class UI transformation for the parking garage project as shown below: // Make sure the code is running with no errors • The parking lot has multiple levels. Each level has multiple rows of spots. • The parking lot can park motorcycles, cars, and buses. • The parking lot has motorcycle spots, compact spots, and large spots. • A motorcycle can park in any spot. • A car can park in either a single compact spot or a single large spot. • A bus can park in five large spots that are consecutive and within the same row. It cannot park in small spots. public enum VehicleSize { Motorcycle, Compact, Large }
Java: Create the vehicle class UI transformation for the parking garage project as shown below:
// Make sure the code is running with no errors
• The parking lot has multiple levels. Each level has multiple rows of spots.
• The parking lot can park motorcycles, cars, and buses.
• The parking lot has motorcycle spots, compact spots, and large spots.
• A motorcycle can park in any spot.
• A car can park in either a single compact spot or a single large spot.
• A bus can park in five large spots that are consecutive and within the same row. It cannot park in small spots.
public enum VehicleSize { Motorcycle, Compact, Large }
public abstract class Vehicle {
protected ArrayList parkingSpots = new ArrayList();
protected String licensePlate;
protected int spotsNeeded;
protected VehicleSize size;
public int getSpotsNeeded() { return spotsNeeded; }
public VehicleSize getSize() { return size; }
/* Park vehicle in this spot (among others, potentially) */
public void parkInSpot(ParkingSpot s) { parkingSpots.add(s); }
/* Remove car from spot, and notify spot that it's gone */
public void clearSpots() { ... }
/* Checks if the spot is big enough for the vehicle (and is available). This compares the SIZE only. It does not check if it has enough spots. */
public abstract boolean canFitInSpot(ParkingSpot spot);
}
public class Bus extends Vehicle {
public Bus() {
spotsNeeded = 5;
size = VehicleSize.Large;
}
/* Checks if the spot is a Large. Doesn't check num of spots */
public boolean canFitInSpot(ParkingSpot spot) { ... }
}
public class Car extends Vehicle {
public Car() {
spotsNeeded = 1;
size = VehicleSize.Compact;
}
/* Checks if the spot is a Compact or a Large. */
public boolean canFitlnSpot(ParkingSpot spot) { ... }
}
public class Motorcycle extends Vehicle {
public Motorcycle() {
spotsNeeded = 1;
size = VehicleSize.Motorcycle;
}
public boolean canFitInSpot(ParkingSpot spot) { ... }
}
public class ParkingLot {
private Level[ ] levels;
private final int NUM_LEVELS = 5;
public ParkingLot() { ... }
/* Park the vehicle in a spot (or multiple spots). Return false if failed. */
public boolean parkVehicle(Vehicle vehicle) { ... }
}
/* Represents a level in a parking garage */
public class Level {
private int floor;
private ParkingSpot[ ] spots;
private int availableSpots = 0; // number of free spots
private static final int SPOTS_PER_ROW = 10;
public Level(int flr, int numberSpots) { ... }
public int availableSpots() { return availableSpots; }
/* Find a place to park this vehicle. Return false if failed. */
public boolean parkVehicle(Vehicle vehicle) { ... }
/* Park a vehicle starting at the spot spotNumber, and continuing until vehicle.spotsNeeded. */
private boolean parkStartingAtSpot(int num, Vehicle v) { ... }
/* Find a spot to park this vehicle. Return index of spot, or -1 on failure. */
private int findAvailableSpots(Vehicle vehicle) { ... }
/* When a car was removed from the spot, increment availableSpots */
public void spotFreed() { availableSpots++; }
}
/*The parkingSpot is implemented by having just a variable which represents the size of the spot. We could have implemented this by having classes for LargeSpot, CompactSpot, and MotorcycleSpot which inherit from ParkingSpot, but this is probably overkill. The spots probably do not have different behaviors, other than their sizes. */
Public class ParkingSpot {
private Vehicle vehicle;
private VehicleSize spotSize;
private int row;
private int spotNumber;
private Level level;
public ParkingSpot(Level Ivl, int r, int n, VehicleSize s) {...}
public boolean isAvailable() { return vehicle == null; }
/* Check if the spot is big enough and is available */
public boolean canFitVehicle(Vehicle vehicle) { ... }
/* Park vehicle in this spot. */
public boolean park(Vehicle v) { ... }
public int getRow() { return row; }
public int getSpotNumber() { return spotNumber; }
/* Remove vehicle from spot, and notify level that a new spot is available */
public void removeVehicle() { ... }
}
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