Instantiation
•Purpose
–set up an object: i.e. instantiate an object.
•How
–Constructor automatically invoked at declaration time
•Player John;   //default constructor
– Player::Player(int s, int a) {
•    strength = stg;
•    agility = agl;
•    health = 10;
•}
•Player Jane(20, 5); //function overloading