C# 0 The Complete Reference

PART I

C h a p t e r   6 :  

I n t r o d u c i n g   C l a s s e s   a n d   O b j e c t s  

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PART IPART I

Next, look closely at this line of code from inside 

Main( )

:

house.AreaPerPerson();

This statement invokes the 

AreaPerPerson( )

 method on 

house

. That is, it calls 

AreaPerPerson( )

 relative to the object referred to by 

house

, by use of the dot operator. 

When a method is called, program control is transferred to the method. When the method 

terminates, control is transferred back to the caller, and execution resumes with the line 

of code following the call.

In this case, the call to 

house.AreaPerPerson( )

 displays the area-per-person of the 

building defined by 

house

. In similar fashion, the call to