[์ดํํฐ๋ธ ์๋ฐ 3ํ] ์์ดํ 24. ๋ฉค๋ฒ ํด๋์ค๋ ๋๋๋ก static์ผ๋ก ๋ง๋ค๋ผ
[Effective Java 3th Edition] Item 24. Favor static member classes over nonstatic
[Effective Java 3th Edition] Item 24. Favor static member classes over nonstatic
[Effective Java 3th Edition] Item 15. Minimize the accessibility of classes and members
[Effective Java 3th Edition] Item 86. Implement Serializable with great caution
[Effective Java 3th Edition] Item 89. For instance control, prefer enum types to readResolve
[Effective Java 3th Edition] Item 90. Consider serialization proxies instead of serialized instances