What is the use of :: operator in c++?
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What is a responder chain?
Is c++ free?
What is the use of function pointer?
Is c++ slower than c?
What are virtual functions in c++?
What is a rooted hierarchy?
What is difference between n and endl in c++?
What are register variables?
Explain class invariant.
Can a function take variable length arguments, if yes, how?
Write a program using display() function which takes two arguments.
Can a program run without main function?