https://www.jetbrains.com/help/idea/refactoring-source-code.html
Code refactoring | IntelliJ IDEA
www.jetbrains.com
⌃ T : invoke refactoring(리팩토링 메뉴)
⇧ F6 : Rename(이름 변경)
⌘ ⌦ : Safe Delete(안전한 삭제)
F5 / F6 : Copy / Move(복사/이동)
⌥ ⌘ M : Extract Method(메서드 추출)
⌥ ⌘ C : Extract Constant(상수 추출)
⌥ ⌘ F : Extract Field(필드 추출)
⌥ ⌘ P : Extract Parameter(인수 추출)
⌥ ⌘ V : Extract/Introduce Variable(변수 추출/들여오기)
⌥ ⌘ N : Inline(들여오기)
⌘ F6 : Change signature(시그니처 변경)