Boost Your Java Productivity: Top IntelliJ IDEA Shortcuts You Must Know

Automatic Code Generation

Common shortcuts like fori, sout, and psvm followed by Tab generate loops, System.out statements, and main methods. For example, typing user.for + Tab creates a for(User user : users) loop, and user.getBirthday().var + Tab creates a variable assignment.

Ctrl+Alt+O – Optimize imports

Alt+Insert – Generate code (getters, setters, constructors, etc.)

fori/sout/psvm + Tab – Generate boilerplate code

Ctrl+Alt+T – Generate try‑catch or use Alt+Enter for quick fixes

Ctrl+Alt+T – Wrap selected code in try, if, else Ctrl+O – Override method

Ctrl+I – Implement method

Ctrl+Shift+U – Toggle case

Alt+Enter – Import and auto‑fix

Alt+/ – Code completion

Ctrl+J – Show live templates

Ctrl+Shift+J – Join lines

Ctrl+Space – Basic code completion

Ctrl+Shift+Space – Smart completion

Ctrl+Alt+L – Reformat code

Ctrl+Alt+I – Auto‑indent

Ctrl+E – Recent changes

Ctrl+Alt+Space – Class or interface name completion

Ctrl+P – Parameter info

Ctrl+Q – Show documentation

Shift+F6 – Rename (refactor)

Ctrl+Alt+V – Extract variable

Search Shortcuts

Ctrl+Shift+Backspace – Jump to last edit location

Ctrl+Alt+Left/Right – Navigate back/forward in edit history

Alt+7 – Show file structure on the left

Ctrl+F12 – Pop‑up file structure

Alt+F7 – Find usages of a symbol

Ctrl+Alt+F7 – Find all references

Ctrl+Shift+Alt+N – Find method or variable in a class

Double‑Shift – Search Everywhere (classes, files, symbols, actions)

Ctrl+N – Find class

Ctrl+Shift+N – Find file

Ctrl+G – Go to line

Ctrl+F / Ctrl+Shift+F – Find in current file or whole project

Ctrl+R / Ctrl+Shift+R – Replace in current file or whole project

Alt+Shift+C – Find modified files

Ctrl+E – Recent files

F3 / Shift+F3 – Navigate to next/previous match

Alt+F3 – Highlight all occurrences of selected text

F4 – Show variable source

Ctrl+Shift+O – Show search dialog

Ctrl+W – Expand selection; Ctrl+Shift+W – Shrink selection

F2 / Shift+F2 – Jump to next/previous error or warning

Ctrl+Up/Down – Move cursor to start/end of file

Ctrl+B – Go to declaration

Ctrl+Alt+B – Find subclass or implementation

Ctrl+F12 – Show method list of current class

Other Useful Shortcuts

Shift+Enter – Start a new line

Ctrl+Z – Undo

Ctrl+Shift+Z – Redo

Ctrl+Alt+F12 – Open file explorer

Alt+F1 – Reveal file in system explorer

Shift+Alt+Insert – Column (block) selection mode

Ctrl+F4 – Close current tab

Ctrl+~ – Switch UI theme, code style, keymap, etc.

Debug Shortcuts

Common debugging keys include F7 (step into), Shift+F7 (smart step into), Alt+Shift+F7 (force step into), F8 (step over), Shift+F8 (step out), Alt+Shift+F8 (force step over), Alt+F9 (run to cursor), Ctrl+Alt+F9 (force run to cursor), F9 (continue), Alt+F10 (go to breakpoint), and Alt+F8 (evaluate expression).

Refactoring Shortcuts

Ctrl+Alt+Shift+T – Open Refactor This menu

Shift+F6 – Rename

F6 – Move

F5 – Copy

Alt+Delete – Safe delete

Ctrl+Alt+N – Inline

Top 10 IntelliJ IDEA Shortcuts (by Frequency)

Ctrl+Space – Basic code completion

Alt+Enter – Quick fix / auto‑import

Ctrl+Shift+Alt+T – Refactor everything

Ctrl+Shift+Space – Smart completion

Ctrl+Shift+A – Find any action/command

Shift+Shift – Search Everywhere

Alt+Insert – Generate code (getters, setters, etc.)

Ctrl+Tab – Switch between open tabs

Ctrl+W – Expand selection

Ctrl+Shift+Enter – Complete statement (add brackets, semicolon)

Using these shortcuts can keep your hands on the keyboard for over 90% of the time, dramatically improving coding efficiency.