IntelliJ IDEA Shortcut Keys Cheat Sheet
This article provides a comprehensive list of IntelliJ IDEA keyboard shortcuts, covering quick generation of main methods, printing statements, file saving, line deletion, navigation, searching, editing, and other productivity features to help Java developers work more efficiently.
Copyright notice: This article is original content by the author, licensed under CC 4.0 BY‑SA. Original link: https://blog.csdn.net/weixin_45965358/article/details/116173466
1. Quick generation of main
Type psvm
2. Quick generation of System.out.print
Use sout
3. File saving
IDEA auto‑saves; no need to press Ctrl+S.
4. Delete a line
Press Ctrl+Y
5. New, create, add shortcuts
Press Alt+Insert
6. Switch Java programs
Press Alt+Right Arrow or Alt+Left Arrow
7. Show/hide project view
Press Ctrl+Fn+F12
8. Run
Press Ctrl+Shift+F10
9. Show method parameter hints
Press Ctrl+P
10. Switch windows
Press Alt+(number)
11. Find
Shortcut
Description
Ctrl+F
Find in current file
Shift+Ctrl+F
Find in current project
Shift+Shift
Search everywhere
Ctrl+N
Find class
Ctrl+Shift+N
Find file
Ctrl+Shift+Alt+N
Find symbol (method name)
12. Navigation shortcuts
Shortcut
Description
Ctrl+E
Recent files
Ctrl+Tab
Switch file
Ctrl+Alt+Arrow
Jump to previous cursor location
Ctrl+G
Go to line number
You can also customize or modify shortcuts via File → Settings → Keymap.
13. Editing shortcuts
Shortcut
Description
Ctrl+W
Expand selection
Alt+Up/Down Arrow
Navigate methods quickly
Ctrl+Alt+Enter
Insert line before current line
Shift+Enter
Insert line after current line
14. Reading source code
Shortcut
Description
Ctrl+P
Show method parameter info
Ctrl+Shift+←/→
Resize split window divider
Ctrl+H
Show class hierarchy
Supplementary shortcuts
Shortcut
Description
F2
Jump to next error/warning
Ctrl+E
Recent files
Ctrl+Alt+Enter
Insert line before current line
Shift+Enter
Insert line after current line
Ctrl+Alt+O
Optimize imports
Ctrl+Alt+T
Surround with live template (try/catch, etc.)
Alt+Mouse drag
Column selection mode
Alt+7
Show all methods in current class
Ctrl+Alt+V
Extract variable
Ctrl+Alt+P
Extract method parameter
Ctrl+Alt+C
Extract constant
Ctrl+Alt+M
Extract method
Ctrl+W
Select word, line, block, etc.
Ctrl+Alt+Left
Navigate back to previous edit location
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Java Captain
Focused on Java technologies: SSM, the Spring ecosystem, microservices, MySQL, MyCat, clustering, distributed systems, middleware, Linux, networking, multithreading; occasionally covers DevOps tools like Jenkins, Nexus, Docker, ELK; shares practical tech insights and is dedicated to full‑stack Java development.
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