OOP 4

public class Test {
    public static void main(String[] args) {
        TVs tv = new TVs("Sony", "X7000G 49", 15, "1", 3000);
        Book book = new Book("Walter Isaacson","Steve Jobs",40, "2");
        tv.discountTV(9);
        book.discountBook(15);
        tv.powerConsummation(5);

    }
}

public class Stocks {
    String id;
    double price;

    public Stocks() {
        this.id = id;
        this.price = price;
    }

    public Stocks(String id, double price) {
        this.id = id;
        this.price = price;
    }


    public String getId() {
        return this.id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public double getPrice() {
        return this.price;
    }

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


public class TVs extends Stocks {
    String brand;
    String model;
    double power;

    public TVs() {
        super();
        this.brand = brand;
        this.model = model;
        this.power = 0;
    }

    public TVs(String brand, String model, double power, String id, double price) {
        super(id, price);
        this.brand = brand;
        this.model = model;
        this.power = power;
    }

    public String getBrand() {
        return this.brand;
    }

    public void setBrand(String brand) {
        this.brand = brand;
    }

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

    public void setModel(String model) {
        this.model = model;
    }

    public double getPower() {
        return this.power;
    }

    public void setPower(double power) {
        this.power = power;
    }

    public void discountTV(double discount){
        double price = this.price;
        double finalprice = price;
        finalprice = price - (finalprice * discount / 100);
        System.out.println(finalprice);
    }

    public void powerConsummation(double hours) {
        double power = this.power;
        double consummation = power * (hours / 1000);
        System.out.println("Power consumed per day: " + consummation);
    }
}


public class Book extends Stocks {
    String author;
    String title;

    public Book() {
        super();
        this.author = author;
        this.title = title;
    }

    public Book(String author, String title, double price, String id) {
        super(id, price);
        this.author = author;
        this.title = title;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public String getAuthor() {
        return this.author;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getTitle() {
        return this.title;
    }

    public void discountBook(double discount){
        double price = this.price;
        double finalprice = price;
        finalprice = price - (finalprice * discount / 100);
        System.out.println(finalprice);
    }
}