Navigation

• Ctrl-N — Goes to class, can go by first letter / toggle by project files
  • Can use first letter of class name, i.e. FooBarFactory as FBF
  • Can use pattern / regex to filter
  • CN:40, go to line 40 in file
• Ctrl-Shift-N — Goes to class / toggle by project files
  • Can go to folder by doing ‘/baz_folder'
• Ctrl-Shift-Alt-N — Any symbol
  • Can filter by namespace, i.e. FBF.getFoo
• Alt-1 — Project Structure (Folders), can use keyboard to navigate / find by word
• Double-press Shift — Search everywhere
• Alt-7 — Project Structure sidebar (Symbol based)
• Ctrl-F12 — Project Structure popup
• Ctrl-E — Recent files
• Ctrl-Shift-E — Recently edited
• Ctrl-Tab — Quick switch
• Alt-Home — Jump to navigation bar
  • Navigate with keys
  • Use new file shortcut (Ctrl-N) to popup new file dialogue within dir
• Ctrl-B — goto definition
• Ctrl-Shift-I — Quick definition popup
• Ctrl-P — Parameter info
• Ctrl-U — Super definition
• Ctrl-Alt-B — Go to implementations
• Ctrl-Alt-Left / Ctrl-Alt-Right — navigate file history
• Ctrl-Shift-F7 — highlight usages in file
  • Can use on return / throw
• Ctrl-Shift-F12 — hide / restore all windows
• Ctrl-Shift-P — Presentation mode
  • Can search in settings
• Shift-F4 — open current file in new window
  • Ctrl-Shift-Left / Ctrl-Shift-Right resize window you’re in

Editing code

• Ctrl-. — Fold section
• Ctrl-W — Expand section @ caret, (expands via word essentially)
• Ctrl-Shift-W — Reduces section @ caret
• Ctrl-Shift-Enter — Complete current statement
  • Adds semicolon, blocks, etc
• Ctrl-D — Duplicate
• Ctrl-Shift-V — Clipboard history
• Alt-Shift-Click / Double Click Ctrl Up / Down — create new cursor
• Alt-J — Select next occurrence
• Alt-Shift-J — Select all occurrences
• Alt-Shift-Up / Down — Move selection
• Ctrl-Alt-L — reformat code
  • Will format based on code style
• Use / Create Templates
• Ctrl-Space — Basic completion (text based)
• Ctrl-Shift-Space — Smart completion (i.e. show things you can instantiate at a given time)
• Alt-Enter — Intention popup
• Shift-Tab — On type , can switch to superclass, will automatically select that after ??? times
• Postfix completion — foo.notnull expands to a wrapped if, defaults include null, notnull, throws

Code Generation

• Alt-N — generators (toString, constructor, etc)
• toString + tab
• table#something — expand html
• ul>li*10 — 10 list elements
• F2 / Shift-F2 — next highlighted error
• Ctrl-Shift-Alt-T — Refactor menu
  • Specialized refactoring is more context sensitive

Misc

• Teaches functional stuff in Java 8
• Questionable naming inspector
• Ctrl-Shift-S — structural search and replace
  • Holy god this is complicated
• Ctrl-Shift-A — Search for shortcut
• Ctrl-K — commit
• Can create quick lists
• Ctrl-` — Quick switch keymap
• Can activate NPM require support
• Productivity guide from Help

参考

https://www.reddit.com/r/programming/comments/36zj6q/intellij_idea_42_tips_and_tricks_in_45_minutes/

https://www.parleys.com/tutorial/42-intellij-idea-tips-tricks-45-minutes