FUNCTIONS, CONSTRUCTOR, DESTRUCTOR & OVERLOADING QUESTIONS IN C++. (4)

Answer the following questions (i) and (ii) after going through the following class:

class Science
{
char Topic[20];
int Weightage;
public:
Science(); //Function1
{
strcpy(Topic,"Optics");
Weightage = 30;
cout<<"Topic Activated";
}
~ Science() //Function2
{
cout<<"Topic Deactivated";
}
};

(i) Name the specific features of class shown by Function1 and Function2 in the above example.
(ii) How would Function1 and Function2 get executed?