1. Objected Oriented [ object, class, method ]
2. OOP 특징 [ 추상화, 캡슐화, 상속, 다형성, 재사용성]
3. OOAD [OOAD,. OOA, OOD]
4. Software Process Model [UP]
5. UML [Introduction]
6. UML [Structure Diagram, Behaviour Diagram]
6-1. Use Case [ Use Case Diagram, Use Case]
6-2. Class Diagram
6.3 Sequence Diagram