[Solved] You have a base class Vehicle with a virtual method Start(). You want to create a class Car that overrides Start() but prevents any further subclass from... How should you declare Start() in Car? | C Sharp (C#)

C Sharp (C#) - Inheritance

You have a base class Vehicle with a virtual method Start(). You want to create a class Car that overrides Start() but prevents any further subclass from overriding it. How should you declare Start() in Car?

Apublic override sealed void Start() { }

Bpublic sealed void Start() { }

Cpublic override void Start() sealed { }

Dsealed public override void Start() { }

Step-by-Step Solution

Solution:

Step 1: Understand method sealing rules
To prevent further overrides, the method must be both override and sealed.
Step 2: Check correct syntax for sealed override
The correct syntax is public override sealed void Start(). Other options have wrong order or missing keywords.
Final Answer:
public override sealed void Start() { } -> Option A
Quick Check:
Sealed override method syntax = override sealed [OK]

Quick Trick: Use 'override sealed' to block further overrides [OK]

Common Mistakes:

MISTAKES

Omitting override keyword
Wrong order of sealed and override
Trying to seal without overriding

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More C Sharp (C#) Quizzes

How should you declare Start() in Car?

Step 1: Understand method sealing rules

Step 2: Check correct syntax for sealed override

Final Answer:

Quick Check:

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