Answer / harendra pal

An abstract class is a protocol class if:
 it neither contains nor inherits from classes that contain member data, non-virtual functions, or private (or protected) members of any kind.
 it has a non-inline virtual destructor defined with an empty implementation,
 all member functions other than the destructor including inherited functions, are declared pure virtual functions and left undefined.

What is stack unwinding?

0 Answers  

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Differentiate between a copy constructor and an overloaded assignment operator.

0 Answers  

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write a program to insert an element into an array

26 Answers   TCS,

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string somestring ; Which of the following choices will convert a standard C++ string object "somestring" to a C string? a) Copy.somestring () ; b) somestring.c_str () c) &somestring [1] d) std::cstring (somestring) e) (char *) somestring

1 Answers   Quark,

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What is the type of 'this' pointer? When does it get created?

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Differentiate between declaration and definition in C++?

1 Answers  

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What is the object serialization?

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Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the total number of disk writes by MySQL.

4 Answers   Webyog,

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What is a virtual destructor?

2 Answers  

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Write a struct time where integer m, h, s are its members?

0 Answers  

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What is virtual base class?

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What is a local reference?

0 Answers  

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