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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When does a name clash occur in c++?

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What are virtual functions and what is its use?

1 Answers  

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What are the classes in c++?

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Why do we need pointers?

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What is searching?

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How do you remove an element from a set in c++?

0 Answers  

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What is c++ & why it is used?

0 Answers  

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Suppose that data is an array of 1000 integers. Write a single function call that will sort the 100 elements data [222] through data [321].

0 Answers  

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Explain the volatile and mutable keywords.

0 Answers  

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Is c++ a good first language to learn?

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What is a pure virtual function? Why is it represented as = 0...how is the internal implementation for the same

3 Answers   CTS,

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