Difference between an inspector and a mutator

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What is the use of map in c++?

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class X { private: int a; protected: X(){cout<<"X constructor was called"<<endl;} ~X(){cout<<"X destructor was called"<<endl} }; Referring to the code above, which one of the following statements regarding "X" is TRUE? a) X is an abstract class. b) Only subclasses of X may create X objects. c) Instances of X cannot be created. d) X objects can only be created using the default copy constructor. e) Only friends can create instances of X objects.

2 Answers   Quark,

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Can c++ be faster than c?

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Where must the declaration of a friend function appear?

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Explain the isa and hasa class relationships.

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What do you mean by pure virtual functions in C++? Give an example?

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what is Loop function? What are different types of Loops?

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Write a program using shift_half( ) function to shift the elements of first half array to second half and vice versa.

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Explain the scope resolution operator?

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Describe private, protected and public – the differences and give examples.

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Is recursion allowed in inline functions?

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