Complete Guide to IntelliJ IDEA Shortcuts

IntelliJ IDEA is a powerful integrated development environment (IDE) used by many developers. Mastering its shortcuts can significantly boost your productivity. This guide covers essential shortcuts and provides examples of how to use them effectively.

Table of Contents

1. Navigation Shortcuts
2. Editing Shortcuts
3. Code Completion and Generation
4. Refactoring Shortcuts
5. Search and Replace
6. Running and Debugging
7. Version Control
8. Miscellaneous

1. Navigation Shortcuts

Shortcut	Function	Example
Ctrl+N / Cmd+O	Go to Class	Type "MainA" to find MainActivity.java
Ctrl+Shift+N / Cmd+Shift+O	Go to File	Type "style" to find styles.xml
Ctrl+E / Cmd+E	Recent Files
Ctrl+Alt+Left/Right / Cmd+Option+Left/Right	Navigate Back/Forward
Ctrl+B / Cmd+B	Go to Declaration	Place cursor on 'name' and use the shortcut to jump to its declaration
Ctrl+Alt+B / Cmd+Option+B	Go to Implementation
Ctrl+F12 / Cmd+F12	File Structure
Ctrl+G / Cmd+L	Navigate to Line
Alt+Down/Up / Control+Down/Up	Next/Previous Method

2. Editing Shortcuts

Shortcut	Function	Example
Ctrl+Space	Basic Code Completion	Press Ctrl+Space to see methods like toLowerCase()
Ctrl+Shift+Space	Smart Code Completion
Ctrl+W / Option+Up	Extend Selection
Ctrl+Shift+W / Option+Down	Shrink Selection
Ctrl+/ / Cmd+/	Comment/Uncomment Lines
Ctrl+D / Cmd+D	Duplicate Line or Selection
Ctrl+Y / Cmd+Backspace	Delete Line
Alt+Shift+Up/Down / Option+Shift+Up/Down	Move Line Up/Down
Alt+Click / Option+Click	Multiple Cursors
Alt+Shift+Insert / Cmd+Shift+8	Column Selection Mode

3. Code Completion and Generation

Shortcut	Function	Example
Alt+Insert / Cmd+N	Generate Code	Use this shortcut to generate a constructor in a Java class
Ctrl+Shift+Enter	Complete Statement	Press Ctrl+Shift+Enter to complete with braces
Ctrl+Alt+T / Cmd+Option+T	Surround With	Select a block of code and use this shortcut to surround it with a try-catch block
Ctrl+J / Cmd+J	Insert Live Template	Type "sout" and use this shortcut to insert System.out.println()
Ctrl+J / Cmd+J	Postfix Completion	Expands "someString.notnull" to "if(someString != null) { ... }"

4. Refactoring Shortcuts

Shortcut	Function	Example
Shift+F6	Rename
Ctrl+Alt+M / Cmd+Option+M	Extract Method
Ctrl+Alt+N / Cmd+Option+N	Inline
Ctrl+Alt+V / Cmd+Option+V	Extract Variable
Ctrl+F6 / Cmd+F6	Change Method Signature
Ctrl+Alt+E / Cmd+Option+E	Extract Interface
F6	Move Class

5. Search and Replace

Shortcut	Function	Example
Ctrl+F / Cmd+F	Find	Search for a text string within the current file
Ctrl+R / Cmd+R	Replace
Ctrl+Shift+F / Cmd+Shift+F	Find in Path	Search across the entire project
Ctrl+Shift+R / Cmd+Shift+R	Replace in Path

6. Running and Debugging

Shortcut	Function	Example
Shift+F10	Run	Execute the application or test
Shift+F9	Debug
Ctrl+F8 / Cmd+F8	Toggle Breakpoint
F8	Step Over
F7	Step Into
Shift+F8	Step Out
Alt+F9 / Option+F9	Run to Cursor

7. Version Control

Shortcut	Function	Example
Ctrl+K / Cmd+K	Commit Changes
Ctrl+T / Cmd+T	Update Project
Alt+` / Option+`	VCS Operations Popup
Ctrl+Alt+Z / Cmd+Option+Z	Revert Changes

8. Miscellaneous

Shortcut	Function	Example
Ctrl+Shift+A / Cmd+Shift+A	Find Action
Ctrl+Shift+F12 / Cmd+Shift+F12	Toggle Maximize Editor
Ctrl+Shift+S / Cmd+Shift+S	Save All
Ctrl+Shift+Alt+T / Cmd+Shift+Option+T	Surround With

Conclusion

This guide covers a wide range of shortcuts available in IntelliJ IDEA. Remember, these shortcuts may vary slightly depending on your operating system and IntelliJ IDEA version. You can always check and customize shortcuts in IntelliJ IDEA by going to File > Settings > Keymap (on Windows/Linux) or IntelliJ IDEA > Preferences > Keymap (on macOS).

Practice these shortcuts regularly, and you'll find your productivity increasing significantly as you become more proficient with IntelliJ IDEA. As you become comfortable with these shortcuts, you may want to explore even more advanced features and customizations available in IntelliJ IDEA.

Happy coding!

If you think our posts are helpful, then do not forget to share our posts with your friends because your support makes better future. Register here for more updates ☆

Learn ~ Share ~ Grow ☺ Thanks & Happy Reading ✍