Question

Create a class named Pizza with data fields for description (such as sausage and onion) and price. Include a constructor that requires arguments for both fields and a method to display the data. Create a subclass named DeliveryPizzathat inherits from Pizza but adds a delivery fee and a delivery address. The description, price, and delivery address are required as arguments to the constructor. The delivery fee is $3 if the pizza ordered costs more than $15; otherwise it is $5. Write an application that instantiates at least two objects of each type, and display the values. Save the files as Pizza.java, DeliveryPizza.java, and DemoPizzas.java.

Answer 1

Answer:

The three parts are as follows

Pizza.java

public class Pizza {

  public String description;

  public int price;

  public Pizza() {}

  public Pizza(String desc,int pri)

  {

      this. description=desc;

      this.price=pri;

  }

  //Output

  public String toString()

  {

      return this. description+" , "+this.price;

  }

}

DeliveryPizza.java

public class DeliveryPizza extends Pizza{

  public int fee;

  public String address;

  public DeliveryPizza(String desc,int pri,String add)

  {

      super(desc, pri);//invoke base class constructor

      this.address=add;

      if(super.price>15)

      {

          this.fee=3;//set delivery fee

      }

      else

      {

          this.fee=5;//set delivery fee

      }

  }

  public String printDetails()

  {

      return super.toString()+", Fee : "+this.fee+" , "+"Address : "+this.address;

  }

}

DemoPizzas.java

public class DemoPizzas {

      public static void main(String[] args) {

          Pizza pizza=new Pizza("Crudo",200);

          System.out.println(pizza.toString());

          Pizza pizza1=new Pizza("Marinara sauce",430);

                   System.out.println(pizza1.toString());

          DeliveryPizza deliveryPizza=new DeliveryPizza("Pizza Margherita",15,"New Jercy");

          System.out.println(deliveryPizza.printDetails());

          DeliveryPizza deliveryPizza1=new DeliveryPizza("onion Pizza",20,"Maxico");

          System.out.println(deliveryPizza1.printDetails());

      }

}