See: Description
| Class | Description | 
|---|---|
| Distance | 
 Defines a distance in terms of its numeric value and its unit of
 measurement (e.g. 
 | 
| LongLat | 
 Defines a geographic position in terms of its longitude and latitude
 coordinates. 
 | 
| Enum | Description | 
|---|---|
| DistanceUnit | 
 Defines the units of distance measurement with enum constants to represent
 metres, kilometres, feet, and miles. 
 | 
Classes for handling geographic information like longitude/latitude positions and distances.
See www.degreedays.net/api/ for more about the Degree Days.net API.
You can sign up for a Degree Days.net API account and read the integration guide that is useful and applicable whether you are using Java or not.