$1.$ What is the difference between a class and an instance of the class?

$2.$ What is the default access specification of class members?

$3.$ Look at the following function header for a member function.

void Circle::getRadius$()$

What is the name of the function?

What class is the function a member of$?$

$4.$ What is a mutator function? What is an accessor function?

$5.$ Is it a good idea to make member variables private? Why or why not?

$6.$ What is a constructor? What is a destructor?

$7.$ What is a default constructor? Is it possible to have more than one default constructor?

$8.$ Is it possible to have more than one constructor? Is it possible to have more than one

destructor?

$9.$ What is procedural programming centered around?

$10.$ What is object$-$oriented programming centered around?