IDEA插件：IDE Features Trainer分享一个 IntelliJ IDEA 的实用学习插件。实操教你用

via: tianyu94.com/2019/06/12/…

分享一个 IntelliJ IDEA 的实用学习插件。

实操教你用各种方便快捷的快捷键。

插件涉及的快捷键汇总

Actions Ctrl + Shift + A
Comment Line Ctrl + /
Delete Line Ctrl + Y
Duplicate Ctrl + D
Move
- Alt + Shift + ↓/↑
- Ctrl + Shift + Up (The whole method)
Collapse
- Ctrl (+ Shift) + -
- Ctrl (+ Shift) + +
Multiple Selections
- Alt + J
- Alt + Shift + J
- Ctrl + Alt + Shift + J

Basic Completion
- Ctrl + Space Active Basic Completion
- Ctrl + Shift + Enter Complete statement
- Ctrl + Space (twice) Deeper level of code completion(for static constants or methods)
Smart Type Completion
- Ctrl + Shift + Space
- Ctrl + Shift + Space (twice) for a return statement
Postfix Completion
- . + <reserved word>
  - e.g. isOpen == true.if ==> if (isOpen == true) { ... }
Statement Completion Ctrl + Shift + Enter
Completion with Tab Ctrl + Space, and press Tab

Rename Shift + F6
Extract Variable/Field Ctrl + Alt + V
Extract Method Ctrl + Alt + M
Refactoring Basics
- Ctrl + Alt + C to extract the selected expression into a constatn
- Ctrl + Alt + M to extract the selected code block into a method
- Ctrl + Alt + P to extract the selected expression into a parameter

Code Formatting Ctrl + Alt + L
Parameter Info Ctrl + P
Quick Popups
- Ctrl + Q
- Ctrl + Shift + I to see definition of the symbol at the caret
Editor Coding Assistance
- F2 to go to the next highlighted error in the file
- Ctrl + F1 to see the error description
- Alt + Enter
- Ctrl + Alt + T Sorround with
- Ctrl + Shift + F7 to highlight all usages of the symbol at the caret within the file

Jump to Source F4
Declaration Ctrl + B
Implementation Ctrl + Alt +B
File Structure Ctrl + F12
Next/Previous Occurrences
- Ctrl + F ==> Enter to find next, Shift + Enter for previous occurrences
- Close search panel by pressing Escape and try to find next occurrence with F3, Shift + F3 in a back way