what is the difference between inter class and abstract
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What is abstract class in oop?
why the argument is passed by reference to a copy constructor?example?
what is virtual function in c++
what is code for call by value and call by reference?
what is data abstraction with example.
what is diff between .net 1.1 and .net 2.0
Can we have a private virtual method ?
What is persistence in oop?
suppose A is a base class and B is the derved class. Both have a method foo which is defined as a virtual method in the base class. You have a pointer of classs B and you typecast it to A. Now when you call pointer->foo, which method gets called? The next part of the question is, how does the compiler know which method to call?
What is polymorphism and example?
Give an example where we have to specifically use C programming language and C++ programming language cannot be used?
What are the 3 pillars of oop?
STL 
