Which of the following is the correct way to declare a custom exception class named MyException in C#?

easy📝 Syntax Q12 of 15

C Sharp (C#) - Exception Handling

Which of the following is the correct way to declare a custom exception class named MyException in C#?

Aclass MyException : Exception { public MyException(string message) : base(message) {} }

Bclass MyException { public MyException(string message) {} }

Cclass MyException : int { public MyException(string message) : base(message) {} }

Dclass MyException : Exception { public void MyException(string message) {} }

Step-by-Step Solution

Solution:

Step 1: Check inheritance from Exception
Custom exceptions must inherit from Exception to behave like exceptions.
Step 2: Verify constructor calls base constructor
The constructor should call base(message) to pass the error message properly.
Final Answer:
class MyException : Exception { public MyException(string message) : base(message) {} } -> Option A
Quick Check:
Inherit Exception + call base constructor = A [OK]

Quick Trick: Inherit Exception and call base constructor for message [OK]

Common Mistakes:

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