1. Eclipse Marketplace - Decompiler 검색 & 설치
![[Pasted image 20230109162814.png]]

2. Window -> Perferences -> Java -> Decompiler
> Default Class Decompiler를 FernFlower로 설정

3. General -> Editors -> File Associations
> \*.class , \*.class without source
> Class Decompiler Viewer를 Default로 설정