JAVA_파일 구조를 위한 Serch

https://github.com/menacher/java-game-server/tree/master/jetserver/src/main/java/org/menacheri/jetserver

https://github.com/korotovsky/pusherd/tree/master/src/main/java/com/korotovsky/pusherd

https://github.com/redomar/JavaGame/tree/master/src/com/redomar/game

https://github.com/markburns/Java-Boat-Game/tree/master/src/game

https://github.com/Sogomn/spjgl/tree/master/src/de/sogomn/engine

https://github.com/LWJGL/lwjgl

3개의 폴더 안의 하위 폴더의 정리가 잘되어 있다고 생각한다.

https://github.com/Flafla2/Remote2D-Engine/tree/master/Remote2D