Define a Deliverable class with attributes name (String), type (String), and price (double), including a constructor to initialize them. Define an abstract Vehicle class with an attribute routingStrategy of type RoutingStrategy and a deliver method that uses the routingStrategy to deliver a Deliverable.

To address the student's question, we need to define a Deliverable class and an abstract Vehicle class with specific attributes and methods.
First, let's define the Deliverable class:

Class Attributes:

name: This is a String attribute that represents the name of the deliverable item.
type: This is a String attribute that indicates the type of the deliverable (e.g., goods, document).
price: This is a double attribute that specifies the price of the deliverable.


Constructor:

The constructor will initialize the name, type, and price attributes when a new instance of the Deliverable class is created.



Here's a simple implementation of the Deliverable class in Java:
public class Deliverable { private String name; private String type; private double price;
public Deliverable(String name, String type, double price) { this.name = name; this.type = type; this.price = price; }
// Getters and Setters, if needed }
Now, let's define the abstract Vehicle class:

Class Attribute:

routingStrategy: This is an attribute of a custom type RoutingStrategy, which will define how the deliverable is routed.


Abstract Method:

deliver(Deliverable deliverable): This method will utilize the routingStrategy to deliver the Deliverable. The method is abstract, meaning it will be implemented by subclasses that extend Vehicle.



Here's an outline of the Vehicle class:
public abstract class Vehicle { protected RoutingStrategy routingStrategy;
public Vehicle(RoutingStrategy routingStrategy) { this.routingStrategy = routingStrategy; }
public abstract void deliver(Deliverable deliverable); } ;

Answered by SophiaElizab | 2025-07-06