When using the throw statement, if you don't pass a message to the exception object's constructor, then .

it will be null message

Explanation:

The throw statement throws a user-defined exception. The current function will stop that is the statements after throw won't be executed, and the message will be passed to the exception object's constructor.

When using the throw statement, if you don't pass a message to the exception object's constructor, then it will be null message.

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