Why null pointer is used?
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What is the size of a vector?
What are destructors?
When the constructor of a base class calls a virtual function, why doesn't the override function of the derived class gets called?
Explain the difference between overloading and overriding?
write the code that display the format just like 1 2 1 3 2 1 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1
How does c++ structure differ from c++ class?
What are the unique features of C++.
What are the various access specifiers in c++?
When is the destructor called?
What is polymorphism & list its types in c++?
Why c++ is so important?
How do pointers work?