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If new throws an error, which function can be called to write a custom exception handler?

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If new throws an error, which function can be called to write a custom exception handler?

(a) _set_handler

(b) _new_handler

(c) _handler_setter

(d) _set_new_handler

I have been asked this question in an internship interview.

This key question is from New Operator topic in chapter Memory Allocation & Scope of Variable of Object Oriented Programming

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Correct option is (d) _set_new_handler

Explanation: If the default exception handler has to be replaced by a user defined handler, we can call _set_new_handler run-time library function with the function name as an argument. This lets the programmer to give a custom definition for handling new operator failure.

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