uml diagram java

 UML diagram java

A company manages many stores. Each Store contains many products. The UML diagram of this company system is represented as follow: (Write a program based on the UML diagram)

Product.java

public class Product {
    private String name;
    int quality;
    double price;
    Product(String name, int quality, double price){

    }

    public String getName() {
        return name;
    }
}

Store.java

import java.util.ArrayList;

public class Store {
    String name;
    String location;
    ArrayList<Product> productList = new ArrayList<Product>();
    int nbProduct = 0;

    Store(String name, String location) {
        this.name = name;
        this.location = location;
    }

    public String getName() {
        return name;
    }

    public void addProduct(Product p) {
        if (productList.size() >= 100) {
            return;
        }

        productList.add(p);

        nbProduct++;
    }

    public boolean searchProduct(String productName) {
        for (int i = 0; i < nbProduct; i++) {
            if (productList.get(i).getName() == productName)
                return true;
        }

        return false;
    }

    public Product deleteProduct(String productName) {
        for (int i = 0; i < nbProduct; i++) {
            if (productList.get(i).getName() == productName) {
                Product p = productList.get(i);

                productList.remove(i);
                nbProduct--;

                return p;
            }
        }

        return null;
    }

    public void displayAll() {
        for (int i = 0; i < nbProduct; i++) {
            System.out.println(productList.get(i).getName());
        }
    }
}

Company.java

public class Company {
    String name;
    ArrayList<Store> arrayStore = new ArrayList<Store>();
    int nbStore;

    Company(String name) {
        this.name = name;
    }

    void addStore(Store store) {
        if (arrayStore.size() >= 10) {
            return;
        }

        this.arrayStore.add(store);

        this.nbStore++;
    }

    int searchNbofStore(String productName) {
        int storesHavingProduct = 0;

        for (int i = 0; i < nbStore; i++) {
            if (this.arrayStore.get(i).searchProduct(productName)) {
                storesHavingProduct++;
            }
        }

        return storesHavingProduct;
    }

    void displayAll() {
        System.out.println("All the stores that " + this.name + " owns.");
        for (int i = 0; i < nbStore; i++) {
            System.out.println(this.arrayStore.get(i).getName());
        }
    }
}

TestCompany.java

public class TestCompany {
    public static void main(String[] args) {
        Product p1 = new Product("TV", 4, 34000);
        Product p2 = new Product("Bicycle", 4, 5500);
        Product p3 = new Product("Oven", 3, 70000);

        Store s1 = new Store("Makro", "Karachi");
        Store s2 = new Store("Hypermart", "Karachi");

        s1.addProduct(p1);
        s1.addProduct(p2);
        s1.addProduct(p3);

        System.out.println("\nDisplaying all the products in store 1:\n ");
        s1.displayAll();

        Product tempProduct = s1.deleteProduct("Bicycle");

        if (tempProduct != null)
            System.out.println("\n\nProduct " + tempProduct.getName() + " is deleted\n");
        else
            System.out.println("\n\nThere is no product to delete");

        s1.displayAll();
        s2.addProduct(p1);
        s2.addProduct(p2);
        s2.addProduct(p3);
        s2.displayAll();

        Company c1 = new Company("Unilever");

        c1.addStore(s1);
        c1.addStore(s2);
        c1.displayAll();

        int n = c1.searchNbofStore("TV");
        System.out.println("\nNumber of stores that have TV " + n);
    }
}