[Solved] Identify the error in this code snippet:class Animal { public virtual void Speak() { Console.WriteLine("Animal"); } }class Dog : Animal { public void Speak() { Console.WriteLine("Dog"); } } | C Sharp (C#)

C Sharp (C#) - Polymorphism and Abstract Classes

Identify the error in this code snippet:

class Animal { public virtual void Speak() { Console.WriteLine("Animal"); } }
class Dog : Animal { public void Speak() { Console.WriteLine("Dog"); } }

ADog.Speak() should use 'override' keyword

BAnimal.Speak() should be static

CDog.Speak() cannot have same name as Animal.Speak()

DNo error, code is correct

Step-by-Step Solution

Solution:

Step 1: Check method overriding rules
Dog's Speak method hides Animal's virtual Speak but lacks 'override' keyword.
Step 2: Identify correct fix
To override virtual method, Dog.Speak() must declare 'override' keyword.
Final Answer:
Dog.Speak() should use 'override' keyword -> Option A
Quick Check:
Override keyword required to override virtual methods [OK]

Quick Trick: Use 'override' to override virtual methods [OK]

Common Mistakes:

MISTAKES

Omitting 'override' causes method hiding, not overriding
Making base method static incorrectly
Thinking same method name is disallowed

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More C Sharp (C#) Quizzes

Identify the error in this code snippet:

Step 1: Check method overriding rules

Step 2: Identify correct fix

Final Answer:

Quick Check:

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