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What is prototype in c++ with example?
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Explain the difference between class and struct in c++?
Why pure virtual functions are used if they don't have implementation / When does a pure virtual function become useful?
What is a storage class? Mention the storage classes in c++.
What is the use of ‘using’ declaration?
What function initalizes variables in a class: a) Destructor b) Constitutor c) Constructor
What is the first name of c++?
What is this pointer in c++?
Define friend function.
1. What does the following do: void afunction(int *x) { x=new int; *x=12; } int main() { int v=10; afunction(&v); cout<<v; } a) Outputs 12 b) Outputs 10 c) Outputs the address of v
Can we remove an element in a single linked list without traversing? Lets suppose the link list is like this 1 2 3 4 5 6 We need to remove 4 from this list (without traversing from beginning) and the final link list shud be 1 2 3 5 6 only thing we know is the pointer to element "4". How can we remove "4" and link "3" to "5"?
Is there a sort function in c++?
Why is c++ still popular?
STL 
