Introduction

If
	OO
		is the Answer,
What is
		the Question?

slide: What is the Question?

Keywords and phrases

the OO lifecycle -- modeling
encapsulation, inheritance, delegation, polymorphism
specification and implementation inheritance
design by contract
interfaces, components and frameworks
idioms, patterns, software architecture

slide: Keywords and phrases

Characterizations

OO = encapsulation + inheritance
OO = data abstraction + polymorphism
OO = interfaces + components
OO = types + implementations
OO = CORBA + Application Frameworks
OO = Java + nothing else
OO = a metaphor + hype
OO = everything I can sell ...

slide: OO is ...

Let's have a look at the Introduction from Principles of Object-Oriented Software Development

slide: Let's have a look ...