What is the difference between virtual functions and pure virtual functions?

1 Answers  

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There is a base class sub, with a member function fnsub(). There are two classes super1 and super2 which are sub classes of the base class sub.if and pointer object is created of the class sub which points to any of the two classes super1 and super2, if fnsub() is called which one will be inoked?

0 Answers   Alter,

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In C++ what is a vtable and how does it work?

0 Answers   Agilent,

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What is an abstract class in C++

0 Answers   SwanSoft Technologies,

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Explain function prototypes in C++.

0 Answers   Aricent,

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Write a C++ Program to Display Number (Entered by the User).

1 Answers  

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What is placement new?

1 Answers   Amazon,

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What is an algorithm (in terms of the STL/C++ standard library)?

0 Answers   Amazon,

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Explain the difference between method overriding and method overloading in C++?

0 Answers   Accenture,

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Write a program to generate the Fibonocci Series in C++.

0 Answers   Accenture,

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What is pass by value & reference.

0 Answers   Accenture,

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How can you force the compiler to not generate them?

0 Answers   Amazon,

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