*IntelliJ IDEA 2020.3.2 버전
File -> Settings -> Appearance & Behavior -> System Settings
Save files if the IDE is idle for ~ seconds
Save files when switching to a different application
항목 체크 해제
File -> Settings -> Editor -> General -> Editot Tabs
Mark modified (*)
항목 체크
Fils -> settings -> Editor -> General -> code completion
Match case
항목 체크 해제