LinLiuLY / IntellijTricks

Intellij Tricks https://www.udemy.com/intellij-idea-secrets-double-your-coding-speed-in-2-hours/learn/v4/t/lecture/4599722?start=0

IntellijTricks

Intellij Tricks https://www.udemy.com/intellij-idea-secrets-double-your-coding-speed-in-2-hours/learn/v4/t/lecture/4599722?start=0

Intellij Tricks

Editing and working with code

Move lines and statements

• move line down: command + shift + down
• move statement up: command + shift + up

Duplicating and Deleting line

• duplicate current line: command + d
• delete current line: command + x

View parameter information

• view suggested parameters of a method: command + p

Commenting and block commenting code

• comment or uncomment current selection: command + /
• block comment or uncomment current selection: command + shift + /

Folding and expanding code

• fold current code block: command + '-'
• expand current code block: command + '+'

Code Navigation

Navigation between texts

• scroll page up fn + up
• scroll page down fn + down
• move to the first line of the code fn + cmd + left
• move to the last line of the code fn + cmd + right

Navigate to Class: command + o

• partial match
• camel humps
• wildcard search

Navigate to Back: command + [

Navigate to Symbol: alt + command + o

Navigate to File

• navigate to file: command + shift + o
• type file name or file path to look up files
• type folder name with '/' in the end to look for folders

Navigate to Action

• navigate to the desired action: command + shift + a

Search Everywhere: shift + shift

• to move between sections in search everywhere window tab

Search usage command + B

Tabs

• navigate to recent files: command + e
• navigate to recent edited files: shift + command + e

Code Selection

• extend selection: alt + up/down

• select one word at a time shift + alt + left/right

• select the beginning to end shift + command + left/right

• select the next occurrence: ctrl + g

• unselect the next occurrence: shift + ctrl + g

Code Completion

Smart Code Completion: alt + Enter shift + control + space

• after the new keyword in an object declaration
• in the list of parameters of a method call
• in return statements

Postfix Completion

• display postfix completion suggestion list: command + j
• check expression to be null: null
• check expression not to be null: nn/notnull
• insert try-catch block: try

Code Generation

• display generate menu in class file: command + n
• display generate menu in test class: command + n

Code Style

code reformat

• reformat current selection or current file: alt + command + l

code optimize

• optimize import statements: alt + ctl + o
• enable Optimize imports on the fly to automatically optimize imports after each change

navigate to compilation error

• build the application: command + F9
• navigate to next compilation error: alt + command + down
• navigate to previous compilation error: alt + command + up
• esc to move the cursor to editor

Language Injection

• add language injection: alt + enter
• close current fragment editor or current file: command + W

Git

• open the git manual ctl + v
• commit project command + k
• revert a file alt + command + z
• show diff command + D