一.Eclipse
Workspace
File-->Switch Workspace
编译环境：Window -- Preferences – Java - Compiler
运行环境：Window -- Preferences – Java - Installed JRE
Show View
Perspective-->Reset Perspective
Run
Ctrl+F11
Font
Window-->Preferences-->Appearance-->Colors and Fonts
Format
right click-->Source-->Format
Ctrl+Shift+F
Import Package
Ctrl+Shitf+O
View Source
Ctrl+Left Click
F3
Find Class
Ctrl+Shitf+T
Find Function
Ctrl+O
Rename
Alt+Shift+R
Update Annotation
Window-->Preferences-->Appearance-->Java-->Code Style-->Code Templates