Define pure virtual function or abstract class?, C/C++ Programming

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Define pure virtual function or abstract class?

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3/16/2013 2:42:20 AM A: While you de_ne only function prototype in a base class with no implementation & do the total implementation in derived class. This base class is called as abstract class & client won''t capable to instantiate an object by using this base class. You can develop a pure virtual function or abstract class this way.. class Boo { void foo() = 0; } Boo MyBoo; // compilation error

3/16/2013 2:42:20 AM

A: While you de_ne only function prototype in a base class with no implementation & do the total implementation in derived class. This base class is called as abstract class & client won''t capable to instantiate an object by using this base class. You can develop a pure virtual function or

abstract class this way.. class Boo

{

void foo() = 0;

}

Boo MyBoo; // compilation error

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