Answered: a Toyota class which inherits from a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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In this exercise, you have to perform composition between the Toyota class and its Engine! Problem Statement# You have to create a Toyota class which inherits from a Car class, and is composed of an Engine Note: You already know that in such a composition relation, the Toyota class will be responsible for Engine’s lifetime. Consider this diagram for reference You should implement the Toyota class as the child class of the Car. It should have an instance of ToyotaEngine and a setStart() function which in turn calls the start() function of the ToyotaEngine class. The start() and stop() functions of ToyotaEngine class simply print out on screen that the engine has been started/stopped.

Car
id: int
model: String
- color: String
+ carFeatures(): void
+setModel(): void
+ setColor(): void
Toyota
ToyotaEngine
+ start): void
+ stop): void
setStart): void
-Part of-
Car, Toyota and ToyotaEngine: Class Representation

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