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Replace a NULL pointer by a null object using object-oriented method

Li, Zhilin
Spectrum: Concordia University Research Repository · Papers
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Pointers are one of the most powerful and flexible features in C/C++, but they are also one of the most dangerous ones to use. Safe proramming practice requires a pointer to be initialized to NULL once declared. However a NULL pointer does not solve the problem completely. Accessing a NULL pointer m
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