What is a 'custom exception' and when should it be used?
- A user-defined exception created to handle specific error conditions
- An exception that is never used in practice
- An exception that occurs only in custom-built applications
- An exception thrown by the programming language itself
A 'custom exception' is an exception defined by the programmer to handle specific error conditions in their code. It should be used when there are unique error scenarios that require special handling beyond the standard exceptions provided by the language.
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