The ANSI/ISO Standard says that it may do either; the behavior is implementation-defined ortable code must either take care not to call malloc(0), or be prepared for the possibility of a null return.
What are virtual functions in C++?
What is C++ namespace?
Which recursive sorting technique always makes recursive calls to sort subarrays that are about half size of the original array?
What is friend function in C++?
What is a COPY CONSTRUCTOR and when is it called?
What is the difference between an external iterator and an internal iterator? Describe an advantage of an external iterator.
What is a scope resolution operator?
What is the difference between char a[] = “string”; and char *p = “string”;?
What is polymorphism in C++? Explain with an example?
What do you mean by pure virtual functions?
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