IntelliJ IDEA is a very good Java IDE, most of its commands have shortcuts to keep your hands from leaving the keyboard
| shortcut | description |
|---|---|
Ctrl Space |
Basic code completion |
Ctrl Shift Space |
Smart code completion |
Ctrl Shift Enter |
Complete statement |
Ctrl P |
Parameter info |
Ctrl Q |
Quick documentation lookup |
Shift F1 |
External Doc |
Ctrl hover |
Brief Info |
Ctrl F1 |
Error or warning at caret |
Alt Insert |
Generate code |
Ctrl O |
Override methods |
Ctrl I |
Implement methods |
Ctrl Alt T |
Surround with |
Ctrl / |
Comment or uncomment line |
Ctrl Shift / |
Comment or uncomment block |
Ctrl W |
Select successively increasing code blocks |
Ctrl Shift W |
Decrease current selection to previous state |
Alt Q |
Context info |
Alt Enter |
Show intention actions and quick-fixes |
Ctrl Alt L |
Reformat code |
Ctrl Alt O |
Optimize imports |
Ctrl Alt I |
Auto-indent line(s) |
Tab |
Indent selected lines |
Shift Tab |
Unindent selected lines |
Ctrl X |
Cut current line or selected block to clipboard |
Ctrl C |
Copy current line or selected block to clipboard |
Ctrl V |
Paste from clipboard |
Ctrl Shift V |
Paste from recent buffers |
Ctrl D |
Duplicate current line or selected block |
Ctrl Y |
Delete line at caret |
Ctrl Shift J |
Smart line join |
Ctrl Enter |
Smart line split |
Shift Enter |
Start new line |
Ctrl Shift U |
Toggle case for word at caret or selected block |
Ctrl Shift ] / [ |
Select till code block end/start |
Ctrl Backspace |
Delete to word end/start |
Ctrl + / - |
Expand/collapse code block |
Ctrl Shift + |
Expand all |
Ctrl Shift - |
Collapse all |
Ctrl F4 |
Close active editor tab |
| shortcut | description |
|---|---|
Alt F7 / Ctrl F7 |
Find usages/Find usages in file |
Ctrl Shift F7 |
Highlight usages in file |
Ctrl Alt F7 |
Show usages |
| shortcut | description |
|---|---|
Ctrl N |
Go to class |
Ctrl Shift N |
Go to file |
Ctrl Alt Shift N |
Go to symbol |
Alt Right / Left |
Go to next / previous editor tab |
F12 |
Go back to previous tool window |
Esc |
Go to editor |
Shift Esc |
Hide active or last active window |
Ctrl Shift F4 |
Close active run, messages... |
Ctrl G |
Go to line |
Ctrl E |
Recent files popup |
Ctrl Alt Left / Right |
Navigate back / forward |
Ctrl Shift Backspace |
Navigate to last edit location |
Alt F1 |
Select current file or symbol in any view |
Ctrl B / Ctrl Click |
Go to declaration |
Ctrl Alt B |
Go to implementation(s) |
Ctrl Shift I |
Open quick definition lookup |
Ctrl Shift B |
Go to type declaration |
Ctrl U |
Go to super-method / super-class |
Alt Up / Down |
Go to previous / next method |
Ctrl ]/[ |
Move to code block end/start |
Ctrl F12 |
File structure popup |
Ctrl H |
Type hierarchy |
Ctrl Shift H |
Method hierarchy |
Ctrl Alt H |
Call hierarchy |
F2 / Shift F2 |
Next/previous highlighted error |
F4 / Ctrl Enter |
Edit source / View source |
Alt Home |
Show navigation bar |
F11 |
Toggle bookmark |
Ctrl F11 |
Toggle bookmark with mnemonic |
Ctrl 0...9 |
Go to numbered bookmark |
Shift F11 |
Show bookmarks |
| shortcut | description |
|---|---|
Double Shift |
Search everywhere |
Ctrl F |
Find |
F3 Shift F3 |
Find next / Find previous |
Ctrl R |
Replace |
Ctrl Shift F |
Find in path |
Ctrl Shift R |
Replace in path |
| shortcut | description |
|---|---|
Ctrl Alt J |
Surround with Live Template |
Ctrl J |
Insert Live Template |
iter |
Iteration according to Java SDK 1.5 style |
inst |
Check object type with instanceof and downcast it |
itco |
Iterate elements of java.util.Collection |
itit |
Iterate elements of java.util.Iterator |
itli |
Iterate elements of java.util.List |
psf |
public static final |
thr |
throw new |
| shortcut | description |
|---|---|
F5 |
Copy |
F6 |
Move |
Alt Delete |
Safe Delete |
Shift F6 |
Rename |
Ctrl F6 |
Change Signature |
Ctrl Alt N |
Inline |
Ctrl Alt M |
Extract Method |
Ctrl Alt V |
Extract Variable |
Ctrl Alt F |
Extract Field |
Ctrl Alt C |
Extract Constant |
Ctrl Alt P |
Extract Parameter |
| shortcut | description |
|---|---|
F8/F7 |
Step over/Step into |
Shift F7 / Shift F8 |
Smart step into/Step out |
Alt F9 |
Run to cursor |
Alt F8 |
Evaluate expression |
F9 |
Resume program |
Ctrl F8 |
Toggle breakpoint |
Ctrl Shift F8 |
View breakpoints |
| shortcut | description |
|---|---|
Ctrl F9 |
Make project |
Ctrl Shift F9 |
Compile selected file, package or module |
Alt Shift F10 / F9 |
Select configuration and run/and debug |
Shift F10 / F9 |
Run/Debug |
Ctrl Shift F10 |
Run context configuration from editor |
| shortcut | description |
|---|---|
Ctrl K |
Commit project to VCS |
Ctrl T |
Update from VCS |
Alt Shift C |
View recent changes |
Alt ` |
VCS Operations Popup |
| shortcut | description |
|---|---|
Alt 0...9 |
Open corresponding tool window |
Ctrl S |
Save all |
Ctrl Alt Y |
Synchronize |
Ctrl Shift F12 |
Toggle maximizing editor |
Alt Shift F |
Add to Favorites |
Alt Shift I |
Inspect current file |
Ctrl ` |
Quick switch current scheme |
Ctrl Alt S |
Open Settings dialog |
Ctrl Alt Shift S |
Open Project Structure dialog |
Ctrl Shift A |
Find Action |
Ctrl Tab |
Switch between tool and tabs |