- Optimizing imports – Ctrl + Alt+ O
- Auto Imports – Alt+enter
- System.out.println – type sysout, then press tab
- Open a file – Ctrl+N
- GoTo Function in class – Ctrl + F12
- Auto Indent – Ctrl + Alt + I
- Basic Code Completion – Ctrl + Space
- Comment a line of code – Ctrl + /
Uncomment a line of code – Ctrl + Shift + / - Duplicate the current line – Ctrl + D
- Finally, Find any action by name – Ctrl + A