查找和跳转
查找文件、class、Symbols、Actions: Double Shift
查找字段被使用的所有位置：Alt+F7
显示文件结构窗口：Alt+7
文件快速切换： Ctrl + TAB
代码前后跟踪跳转：Ctrl+Alt+Left / Ctrl+Alt+Right
跳到下/上一个method：Alt+Down / Alt+Up
代码行书签功能：
F11 Toggle Bookmark
Ctrl+F11 Toggle Numbered Bookmark (Bookmark with Mnemonic)
Shift+F11 Show bookmarks
Ctrl+0..9 Navigate to numbered bookmark
继承类相关：
Ctrl + Alt + B Go to implementation(s)
Ctrl + U Go to super-method/super-class
Ctrl+H Show Hierarchy tool window
代码编辑
代码补全：
ctrl + space， Alt + Enter， Ctrl+Shift+Enter
Ctrl + Alt + T Surround with... (if..else, try..catch, for, etc.)
Alt + Insert Generate code... (Getters, Setters, Constructors)
扩选代码块：Ctrl+W / Ctrl+Shift+W
列选择：Shift+Alt and drag the mouse to perform column selection
Reformat Code: Ctrl+Alt+L, Shift+Ctrl+Alt+L
