IntelliJ IDEA

Shortcuts, configurations and everything helpful when working with IntelliJ IDEA IDE.

Shortcuts

1. Go to next Error
   • F2
2. Go to previous/next method
   • Alt + Up/Down
3. Clipboard manager
   • Ctrl + Shift + V
4. Windows Clipboard manager
   • Windows + V
5. File structure (even non-java files!)
   • Ctrl + F12
6. Surround with
   • Ctrl + Alt + T
     • e.g. if-else, try-catch-finally, synchronized, iterate, Runnable
     • You can also configure your own Live Templates
7. Refactor this menu
   • Ctrl + Alt + Shift + T
     • e.g. Rename, Change signature, Extract method, Inline method
8. Compare files
   • Select files
     • Ctrl + D
9. Show Implementation Pop-Up
   • Ctrl + Shift + I

Tricks / Features

1. Find shortcut
   • File -> Settings -> Keymap
     • -> Find actions by shortcut
2. Jump to File with Line Number Ctrl + N
   • Class:LineNumber
   • e.g. StringUtils:1500
3. You can filter search results by namespaces
   • e.g. Ctrl + Alt + Shift + N
     • -> String.contains
4. Using Ctrl + E you can also quick move to other tabs
   • like Database, Maven, Terminal
5. Autoformat the whole package
   • Select package
     • -> Ctrl + Alt + L
6. Refactor tab
   • e.g.
     • Replace Constructor with Factory Method
     • Replace Inheritance with Delegation
     • Replace Method with Method Object
     • Encapsulate Fields
     • Type Migration
     • Convert to instance method