How can inheritance help reduce code duplication when creating a set of classes representing different types of vehicles with shared properties like speed and color?

hard🚀 Application Q9 of 15

C Sharp (C#) - Inheritance

ABy using interfaces only without base class

BBy defining a base class Vehicle with common properties, then inheriting it in specific vehicle classes

CBy writing all properties separately in each vehicle class

DBy copying code manually between classes

Step-by-Step Solution

Solution:

Step 1: Identify shared properties among vehicles
Speed and color are common to all vehicles, so they belong in a base class.
Step 2: Use inheritance to share properties
By defining a base class Vehicle with common properties, then inheriting it in specific vehicle classes correctly suggests creating a Vehicle base class with shared properties and inheriting it in specific vehicle classes to avoid duplication.
Final Answer:
By defining a base class Vehicle with common properties, then inheriting it in specific vehicle classes -> Option B
Quick Check:
Base class shares common code, reducing duplication [OK]

Quick Trick: Put shared properties in base class to avoid repetition [OK]

Common Mistakes:

MISTAKES

Duplicating properties in every class
Using interfaces without shared implementation
Copy-pasting code instead of inheriting

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More C Sharp (C#) Quizzes

How can inheritance help reduce code duplication when creating a set of classes representing different types of vehicles with shared properties like speed and color?

Step 1: Identify shared properties among vehicles

Step 2: Use inheritance to share properties

Final Answer:

Quick Check:

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