Outline Introduction to object technology Concepts of Object Orientation What is an object? Four principles of OO What is a class? Polymorphism and generalization Organizing model elements Object Oriented Analysis and Design 9Object Oriented Analysis and Design 9 Outline  Introduction to object technology  Concepts of Object Orientation ▪ What is an object? ▪ Four principles of OO ▪ What is a class? ▪ Polymorphism and generalization ▪ Organizing model elements