[Solved] Which of the following is the correct constructor for a custom exception class named MyException? — Ans: public MyException(String message) { super(message); } | Java

Java - Custom Exceptions

Which of the following is the correct constructor for a custom exception class named MyException?

Apublic MyException() { this.message = message; }

Bpublic void MyException(String message) { super(message); }

Cpublic MyException(String message) { super(message); }

Dpublic MyException(String message) { print(message); }

Step-by-Step Solution

Solution:

Step 1: Identify correct constructor syntax
Constructors have no return type and call super(message) to pass the message to the parent Exception class.
Step 2: Check each option
public MyException(String message) { super(message); } correctly defines a constructor calling super(message). public MyException() { this.message = message; } incorrectly assigns message without declaration. public void MyException(String message) { super(message); } has a void return type, so it's not a constructor. public MyException(String message) { print(message); } calls a non-existent method print.
Final Answer:
public MyException(String message) { super(message); } -> Option C
Quick Check:
Constructor calls super(message) = public MyException(String message) { super(message); } [OK]

Quick Trick: Constructor must call super(message) without return type [OK]

Common Mistakes:

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Which of the following is the correct constructor for a custom exception class named MyException?