Java convention
https://naver.github.io/hackday-conventions-java/
Kotlin convention
https://kotlinlang.org/docs/coding-conventions.html#class-layout
์ฝ๋ฉํ ๋ ์ฐธ๊ณ ํ๋ convention ๋ฌธ์๋ค!
Java๋ Kotlin ์นดํ ๊ณ ๋ฆฌ ๋ ์ค ์ด๋๋ค ๋ฃ์์ง ๋ชฐ๋ผ์๐
์ฌ๊ธฐ์ ๊ธฐ๋กํด๋๋ . . .