Overview


We'll discuss general oop concepts here.

Same suggestions as in the previous chapter:


OOP concepts can be new and especially puzzling at first. Thus a very quick initial scan is advised.

Objects and Object Types


OOP is all about objects.

Just quickly glance at these concepts (and then come back to them after some coding):


Behaviors


Objects need behaviors (or they wouldn't do anything). In oop we call these methods when we define then and messages when we use them (and we can use these terms interchangeably -- which is fine).

Just quickly glance at these concepts (and then come back to them after some coding):