| Class | Description |
| DateUtil |
A collection of utility functions for the manipulation and inspection of date and time values. |
| DisplayObjectUtil |
Utility functions for use with DisplayObjects. |
| GraphicsUtil |
Utility functions for drawing to Graphics objects. |
| InstanceFactory |
Creates an instance of the specified class. |
| JavaScriptUtil |
Utility functions for working with JavaScript and ExternalInterface. |
| NumberUtil |
A collection of utility functions for the manipulation of numeric values. |
| TimeUnit |
A collection of constants for date and time units. |