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Define vptr.
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Write a c++ code that will calculate the roots of a quadratic equation a2+ bx+c=0 Hint: d = sqrt (b2-4ac), and the roots are: x1 = (€“b + d)/2a and x2 = (€“b €“ d)/2a (use sqrt function from cmath.h )?
What is data abstraction? How is it different from data encapsulation?
Can user-defined object be declared as static data member of another class?
What is size of a empty class?
7 Answers Microsoft, Tata Elxsi, Wipro,
Explain the auto storage classes in c++.
What is c++ & why it is used?
What do you mean by “this” pointer?
What is #include math h in c++?
Define upcasting.
Do you know what are pure virtual functions?
Reverse the Linked List. Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL
What is cout flush?
STL 
