Classes

• Template to define the form of an object
• Specifies both code and data, functions and varibles.

class classname{

     int privatedata;

     int privatefunction();

     public:

     int publicdata;

     int publicfunction;

}

Private/Public

• By default, any function or varible will be private
• Everything after the "public:" command is public

Accessing Varibles & Functions

classname.publicdata = 5;

classname.publicfunction();

Functions in Classes

• Functions must be declared in the desired secion of the class (public or private)
• Scope operater is used to tell the program which function belongs to which class.
  • Scope operator is "::"

int classname::publicfunction() {

     ...

}

Constructor

• Code to be run when the class is initalized. The destructor runs when the class is destroyed (eg. program terminates)

class classname{

     classname();    //Constructor

     ~classname();   //Destructor

}

Paramterized Constuctors

• Parameters can be passed to construcors the same way as any other function.

class classname{

     classname(int data);

}

classname::classname(int data){

     ...

}

classname object(5);