Nov 14, 2003
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- Introduction to OOP
	- what is an object?

- Objects
	- occupy space
	- can be addressed only using defined functions
	  (interfaces)

- Basic flavor of OOP
	- objects send messages to other objects
	- 2+3 is the message "+3" sent to object 2,
	  requesting that it add 3 to itself.
		=> returns the object 5

- Good OOP languages
	- Smalltalk, Simula
		=> pioneered idea as well as programming
	           environment (Alan Kay, Xerox PARC)

- In Smalltalk, everything is an object
	- the illusion is complete
	- not so, in C++

- Objects and Classes

- Basic characteristics of class definitions
	- private variables
	- member functions
	- friends (are "bad")