Apartment

public class Apartment {
    private String city;
    private String district;
    private String address;
    private double area;
    private double price;
    private double priceBySquareM;
    private boolean akt16;



    public Apartment(String city, String district, String address, double area, double price, boolean akt16) {
        this.city = city;
        this.district = district;
        this.address = address;
        this.area = area;
        this.price = price;
        this.akt16 = akt16;
        this.priceBySquareM = price / area;
    }

    public String getCity() {
        return city;
    }

    public void setCity(String city) {
        this.city = city;
    }

    public String getDistrict() {
        return district;
    }

    public void setDistrict(String district) {
        this.district = district;
    }

    public String getAddress() {
        return address;
    }

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

    public double getArea() {
        return area;
    }

    public void setArea(double area) {
        this.area = area;
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    public double getPriceBySquareM() {
        return priceBySquareM;
    }

    public void setPriceBySquareM(double priceBySquareM) {
        this.priceBySquareM = priceBySquareM;
    }

    public boolean isAkt16() {
        return akt16;
    }

    public void setAkt16(boolean akt16) {
        this.akt16 = akt16;
    }

    @Override
    public String toString() {
        return "Apartment{" +
                "city='" + city + '\'' +
                ", district='" + district + '\'' +
                ", address='" + address + '\'' +
                ", area=" + area +
                ", price=" + price +
                ", priceBySquareM=" + String.format("%.2f", priceBySquareM) +
                ", akt16=" + akt16 +
                '}';
    }
}



////////////////////////////////////////////////////////////////


import java.util.ArrayList;

public class ApartmentMain {
    public static void main(String[] args) {
        Apartment apt1 = new Apartment("Sofia", "Lulin", "Zahari Stoqnov 16", 123, 200000, true);
        Apartment apt2 = new Apartment("Sofia", "Vitosha", "Sofronii Vrachanski 12", 212, 423197, true);
        Apartment apt3 = new Apartment("Varna", "Morski", "Hristo Botev 1", 78, 78000, false);
        Apartment apt4 = new Apartment("Burgas", "Morska gradina", "Hristofor Kolumb", 326, 303784, true);
        Apartment apt5 = new Apartment("Botevgrad", "Iztok", "Kolio Ficheto", 122, 70678, true);

        ArrayList<Apartment> apartments = new ArrayList<>();
        apartments.add(apt1);
        apartments.add(apt2);
        apartments.add(apt3);
        apartments.add(apt4);
        apartments.add(apt5);

        bubbleSort(apartments);

        for(Apartment apt: apartments){
            System.out.println(apt);
        }


    }
    public static void bubbleSort(ArrayList<Apartment> apartments) {
        for (int a = 1; a < apartments.size(); a++) {
            for (int b = 0; b < apartments.size() - a; b++) {
                if (((apartments.get(b).getPriceBySquareM())
                        > ((apartments.get(b + 1).getPriceBySquareM())))) {
                    Apartment temp = apartments.get(b);
                    apartments.set(b, apartments.get(b + 1));
                    apartments.set(b + 1, temp);
                }
            }
        }
    }
}