LameParkingGarage.java

package nyc.c4q.abassawo;

import java.util.HashMap;
import java.util.Map;

public class LameParkingGarage {

    private Map<Integer, AbstractCar> map;

    public LameParkingGarage(int numberOfFloors) {
        this.map = new HashMap<>(numberOfFloors);
    }

    public void parkCar(int floor, AbstractCar car) {
        map.put(floor, car);
    }

    public AbstractCar getCar(int floor) {
        AbstractCar car = map.get(floor);
        return car;
    }
}

main.java

package nyc.c4q.abassawo;


import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Main {

//I GAVE UP! :(


    public static void main(String[] args) {
	// write your code here
        ParkingGarage garage = new ParkingGarage(4);
        System.out.println(garage);
        AbstractCar car = new AbstractCar() {
            @Override
            public void airConditioning() {

            }
        };

        Map<String, AbstractCar> rides = new HashMap<>();
        rides.put("Abass' ride", new Jetta());
        rides.put("Jonathan's ride", new JettaTDI());
        rides.put("Rafael's ride", new A4());

        for (String key : rides.keySet()) {
            System.out.println(key + ": " + rides.get(key));
        }


        garage.parkCar(0, car);

        garage.toString();

        for (int i = 0; i < rides.size(); i++) {
            garage.parkCar(i, car);
        }

        garage.toString();

        System.out.println(garage);
    }
}

ParkingGarage.java

package nyc.c4q.abassawo;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by Abass
 *
 * ParkingGarage class implemented with an internal HashMap that maps floor numbers to a List of
 * AbstractCar and subclasses of AbstractCar.
 */
public class ParkingGarage {

    private Map<Integer, List<AbstractCar>> internalMap;

    public ParkingGarage(int numberOfFloors){
        makeMap(numberOfFloors);
        List list = internalMap.get(0);
    }

    public void makeMap(int size){
        internalMap = new HashMap<>(size);
        for (int i = 0; i < size ; i++) {
            internalMap.put(i, new ArrayList<AbstractCar>());
        }
    }

    @Override
    public String toString() {
        /*TODO - Modify the toString method to print every car in your Parking Garage*/
        for (int i = 0; i < internalMap.size(); i++) {
            for (int j = 0; j < internalMap.size(); j++) {
                System.out.println("There are " + internalMap.get(j) + " cars on floor " i);
            }
        }

        return "Levels : " + internalMap.size() + " & " + internalMap.get(0).size() + " cars ";
    }

    public void parkCar(int number, AbstractCar car){
        /*TODO - Implement this method by retrieving the List of Cars,
         and adding the parameterizer car to it.*/
        List<AbstractCar> cars = internalMap.get(number);
        if(cars == null){
            cars = new ArrayList<>();
        }
        cars.add(car);
        internalMap.put(number, cars);
    }

    public void removeCar(int number, AbstractCar car){
          /*TODO - Implement this method by retrieving the List of Cars,
         and removing the parameterizer car from it.*/
          List<AbstractCar> cars = internalMap.get(number);
          if(cars != null){
              cars.remove(car);
          }
    }


}