Java TestPrep

public class main {
    public static void main(String[] args) {
        Pharmacy pesho = new Pharmacy("pesho","Montevideo 22",10.0,5,0,10.0,20.0,0,0);
        pesho.printData();
        pesho.delivery(5);
        pesho.printData();
        pesho.sales(5);
        pesho.printData();
        System.out.println("income " + pesho.income());

    }
}


public abstract class TradeCenter {
    private String name;
    private String address;
    private double revenueTax;

    public TradeCenter() {
        name="No name";
        address = "No address";
        revenueTax = 0.0;
    }

    public TradeCenter(String name, String address, double revenueTax) {
        this.name = name;
        this.address = address;
        this.revenueTax = revenueTax;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public double getRevenueTax() {
        return revenueTax;
    }

    public void setRevenueTax(double revenueTax) {
        this.revenueTax = revenueTax;
    }
    public abstract double income();
    public double netIncome(){
        return income() * getRevenueTax();
    }
    public void increaseTax(){
        setRevenueTax(getRevenueTax()+2.0);
    }
    public void decreaseTax(){
        setRevenueTax(getRevenueTax()-2.0);
    }
    public void printData(){
        System.out.println("Name of TradeCenter is " + getName());
        System.out.println("Address of TradeCenter is " + getAddress());
        System.out.println("Revenue tax is " + getRevenueTax());
    }
}


public class Pharmacy extends TradeCenter {
    private int maxMedicineQuantity;
    private int currentMedicineQuantity;
    private double deliveryPricePerItem;
    private double sellPricePerItem;
    private double income;
    private double expences;

    public Pharmacy() {
        super();
        maxMedicineQuantity=0;
        currentMedicineQuantity=0;
        deliveryPricePerItem=0.0;
        sellPricePerItem=0.0;
        income=0.0;
        expences=0.0;
    }

    public Pharmacy(String name, String address, double revenueTax, int maxMedicineQuantity, int currentMedicineQuantity, double deliveryPricePerItem, double sellPricePerItem, double income, double expences) {
        super(name, address, revenueTax);
        this.maxMedicineQuantity = maxMedicineQuantity;
        this.currentMedicineQuantity = currentMedicineQuantity;
        this.deliveryPricePerItem = deliveryPricePerItem;
        this.sellPricePerItem = sellPricePerItem;
        this.income = income;
        this.expences = expences;
    }

    public int getMaxMedicineQuantity() {
        return maxMedicineQuantity;
    }

    public void setMaxMedicineQuantity(int maxMedicineQuantity) {
        this.maxMedicineQuantity = maxMedicineQuantity;
    }

    public int getCurrentMedicineQuantity() {
        return currentMedicineQuantity;
    }

    public void setCurrentMedicineQuantity(int currentMedicineQuantity) {
        this.currentMedicineQuantity = currentMedicineQuantity;
    }

    public double getDeliveryPricePerItem() {
        return deliveryPricePerItem;
    }

    public void setDeliveryPricePerItem(double deliveryPricePerItem) {
        this.deliveryPricePerItem = deliveryPricePerItem;
    }

    public double getSellPricePerItem() {
        return sellPricePerItem;
    }

    public void setSellPricePerItem(double sellPricePerItem) {
        this.sellPricePerItem = sellPricePerItem;
    }

    public double getIncome() {
        return income;
    }

    public void setIncome(double income) {
        this.income = income;
    }

    public double getExpences() {
        return expences;
    }

    public void setExpences(double expences) {
        this.expences = expences;
    }
    public void delivery(int quantity){

        if(getCurrentMedicineQuantity()+quantity <= getMaxMedicineQuantity()){
            setCurrentMedicineQuantity(getCurrentMedicineQuantity() + quantity);
            setExpences(getExpences() + quantity * getDeliveryPricePerItem());
        }
        else {
            System.out.println("Invalid input");
        }
    }
    public void sales(int quiantity){
        if(getCurrentMedicineQuantity() - quiantity>= 0) {

            setCurrentMedicineQuantity(getCurrentMedicineQuantity()-quiantity);
            setIncome(getIncome()+ quiantity* getSellPricePerItem());
        }
        else{
            System.out.println("Not enough items!");
        }
    }

    @Override
    public double income() {
        return getIncome() - getExpences();
    }

    @Override
    public double netIncome() {
        return super.netIncome();
    }

    @Override
    public void printData() {
        super.printData();
        System.out.println("Max medicine quantity is " + getMaxMedicineQuantity());
        System.out.println("Current medicine quantity is " + getCurrentMedicineQuantity());
        System.out.println("Delivery price per item is " + getDeliveryPricePerItem());
        System.out.println("Sell price per item is " + getSellPricePerItem());
        System.out.println("Income is " + getIncome());
        System.out.println("Expences are " + getExpences());
    }
}


public class Hotel extends TradeCenter {

    private int roomsQuantity;
    private int roomsInUse;
    private double pricePerRoom;

    public Hotel() {
        super();
        roomsQuantity=0;
        roomsInUse = 0;
        pricePerRoom=0.0;
    }

    public Hotel(String name, String address, double revenueTax, int roomsQuantity, int roomsInUse, double pricePerRoom) {
        super(name, address, revenueTax);
        this.roomsQuantity = roomsQuantity;
        this.roomsInUse = roomsInUse;
        this.pricePerRoom = pricePerRoom;
    }

    public int getRoomsQuantity() {
        return roomsQuantity;
    }

    public void setRoomsQuantity(int roomsQuantity) {
        this.roomsQuantity = roomsQuantity;
    }

    public int getRoomsInUse() {
        return roomsInUse;
    }

    public void setRoomsInUse(int roomsInUse) {
        this.roomsInUse = roomsInUse;
    }

    public double getPricePerRoom() {
        return pricePerRoom;
    }

    public void setPricePerRoom(double pricePerRoom) {
        this.pricePerRoom = pricePerRoom;
    }

    @Override
    public double income() {
        return getPricePerRoom()*getRoomsInUse();
    }

    @Override
    public double netIncome() {
        return super.netIncome();
    }

    @Override
    public void printData() {
        super.printData();
        System.out.println("Number of rooms is " + getRoomsQuantity());
        System.out.println("Current number of rooms in use is " + getRoomsInUse());
        System.out.println("Price per room is " + getPricePerRoom());
    }
}