What is function overriding in c++?

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What is the difference between ++ count and count ++?

0 Answers  

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What is function overloading in C++?

1 Answers  

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Why we use #include iostream in c++?

0 Answers  

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What is an inline function in c++?

0 Answers  

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Which one between if-else and switch is more efficient?

0 Answers  

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How can you create a virtual copy constructor?

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What is name mangling?

3 Answers  

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What is std::move?

1 Answers  

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What do you mean by const correctness?

0 Answers  

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class Alpha { public: char data[10000]; Alpha(); ~Alpha(); }; class Beta { public: Beta() { n = 0; } void FillData(Alpha a); private: int n; }; How do you make the above sample code more efficient? a) If possible, make the constructor for Beta private to reduce the overhead of public constructors. b) Change the return type in FillData to int to negate the implicit return conversion from "int" to "void". c) Make the destructor for Alpha virtual. d) Make the constructor for Alpha virtual. e) Pass a const reference to Alpha in FillData

2 Answers   Quark,

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a class that maintains a pointer to an object that is programatically accessible through the public interface is known as?

2 Answers   CTS,

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