• [https://m.blog.naver.com/jvioonpe/220227413391 생성, 구조, 행위패턴]
• [https://magi82.github.io/android-mvc-mvp-mvvm/ mvc, mvp, mvvm 프레임워크 패턴]
• [http://i-bada.blogspot.com/2012/05/design-pattern.html 디자인 패턴]
• [https://opennote46.tistory.com/150 Feature Envy]
• [https://blog.aliencube.org/ko/2013/12/06/law-of-demeter-explained/ oop 데메테르의 법칙 Law of Demeter]
• [https://d33p.tistory.com/18 oop SW개발의 원칙들 : SOLID DRY, KISS, YAGNI]

Table of contents

• oop 디자인 패턴 종류
• oop solid 란
• oop helper vs util class
• oop refactoring 하는법
• oop (book summary)GoF Design Pattern
• oop (book summary)Head First Design Pattern
• oop design pattern singleton
• oop design pattern strategy
• oop design pattern builder
• oop design pattern factory
• oop (book summary)객체지향의 사실과 오해