When we use Abstract Class and when we use Interface?where we
will implement in real time?
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Is nan a c++?
Which command properly allocates memory a) char *a=new char[20]; b) char a=new char[20]; c) char a=new char(20.0);
What are the advantages of pointers?
Why do we use using namespace std in c++?
How does the copy constructor differ from the assignment operator (=)?
What are c++ redistributables?
Can you use the function fprintf() to display the output on the screen?
class X { private: int a; protected: X(){cout<<"X constructor was called"<<endl;} ~X(){cout<<"X destructor was called"<<endl} }; Referring to the code above, which one of the following statements regarding "X" is TRUE? a) X is an abstract class. b) Only subclasses of X may create X objects. c) Instances of X cannot be created. d) X objects can only be created using the default copy constructor. e) Only friends can create instances of X objects.
What is buffering in c++?
How would you differentiate between a pre and post increment operators while overloading?
How size of a class can be calulated?
Write about the scope resolution operator?