softUniParking

package softUniParking;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        Parking parking = new Parking(3);
        Car audi = new Car("Audi", "A8",2000,"03-230-GA");
        Car passat = new Car("Passat", "5",2000,"04-150-FA");
        Car bmw = new Car("BMW", "M3",1800,"04-150-FA");
        Car mercedes = new Car("Mercedes", "D",2500,"04-000-CD");

        System.out.println(audi.toString());

        System.out.println(parking.addCar(passat));
        System.out.println(parking.addCar(audi));
        System.out.println(parking.addCar(bmw));
        System.out.println(parking.addCar(mercedes));

        System.out.println(parking.removeCar("03-230-GA"));
        System.out.println(parking.removeCar("invalid"));

        System.out.println(parking.getCar("03-230-GA".toString()));

        List<String> regNums = new ArrayList<>();

        regNums.add("03-230-GA");
        regNums.add("04-150-FA");
        regNums.add("invalid");

        parking.removeSetOfRegistrationNumber(regNums);
        System.out.println(parking.getCount());
    }
}

package softUniParking;

public class Car {
    private String make;
    private String model;
    private int horsePower;
    private String registrationNumber;

    public Car(String make, String model, int horsePower, String registrationNumber) {
        this.make = make;
        this.model = model;
        this.horsePower = horsePower;
        this.registrationNumber = registrationNumber;
    }

    public String getMake() {
        return this.make;
    }

    public String getModel() {
        return this.model;
    }

    public int getHorsePower() {
        return this.horsePower;
    }

    public String getRegistrationNumber() {
        return this.registrationNumber;
    }

    @Override
    public String toString() {
        return String.format("Make: %s%n" +
                        "Model: %s%n" +
                        "HorsePower: %d%n" +
                        "RegistrationNumber: %s",
                this.getMake(),
                this.getModel(),
                this.getHorsePower(),
                this.getRegistrationNumber()
        );
    }
}


package softUniParking;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class Parking {
    private Map<String, Car> cars;
    private int capacity;

    public Parking(int capacity) {
        this.cars = new LinkedHashMap<>();
        this.capacity = capacity;
    }

    public String addCar(Car car) {
        if (cars.size() >= capacity) {
            return "Parking is full!";
        } else if (!cars.containsKey(car.getRegistrationNumber())) {
            cars.put(car.getRegistrationNumber(), car);
            return String.format("Successfully added new car %s %s", car.getMake(), car.getRegistrationNumber());
        } else {
            return "Car with that registration number, already exists!";
        }
    }

    public String removeCar(String registrationNumber) {
        if (!this.cars.containsKey(registrationNumber)) {
            return "Car with that registration number, doesn't exists!";
        } else {
            return String.format("Successfully removed %s", registrationNumber);
        }
    }

    public Car getCar(String registrationNumber) {
        return cars.get(registrationNumber);
    }

    public void removeSetOfRegistrationNumber(List<String> registrationNumbers) {

        for (String regNum : registrationNumbers) {
            if (this.cars.containsKey(regNum)) {
                this.cars.remove(regNum);
            }
        }
    }

    public int getCount() {
        return this.cars.size();
    }
}