| GPJobStatusCallback | Implement this interface to create a callback that will be used to notify status update of a. |
| Geoprocessor | This class represents a GeoProcessing task. |
| GPBoolean | The GPBoolean class is a container that is used to represent a geoprocessing parameter of the type Boolean. |
| GPDataFile | The GPDataFile class is a container that is used to represent a geoprocessing parameter of the type DataFile. |
| GPDate | Container class representing a Geo-Processing parameter of the type date. |
| GPDouble | Container class representing a Geo-Processing parameter of the type double. |
| GPFeatureRecordSetLayer | Container class representing a georocessing parameter of the data type GPFeatureRecordSetLayer. |
| GPGetJobResultParameters | |
| GPGetJobResultTask | This class implements a task that can be passed to a thread pool or thread to asynchronously retrieve an output parameter from an asynchronous geoprocessing task. |
| GPJobParameter | This class gives the descriptions of the input GPParameter and output GPParameter by providing their names and values. |
| GPJobResource | This class represents a job submitted asynchronously. |
| GPJobResults | This class is used to return the requested parameters and associated job resource when running a GP job asynchronously. |
| GPLinearUnit | Container class representing a Geo-Processing parameter of the type linear unit. |
| GPLong | Container class representing a Geo-Processing parameter of the type long. |
| GPMapImage | Container class representing a map image object shared by GPRasterDataLayer and GPFeatureRecordSetLayer. |
| GPMessage | This class represents messages generated during the execution of a geoprocessing task. |
| GPMultiValue<T extends GPParameter> | Container class representing a Geo-Processing parameter of the type multivalue. |
| GPParameter | Base class for all GeoProcessing parameters. |
| GPRasterData | Container class representing a Geo-Processing parameter of the type raster data. |
| GPRasterDataLayer | Container class representing a Geo-Processing parameter of the type raster data layer. |
| GPRecordSet | Container class representing a Geo-Processing parameter of the type record set. |
| GPResultResource | This class represents a result of execute(List. |
| GPServiceInfo | This class provides information on a geoprocessing service at a given URL. |
| GPString | Container class representing a Geo-Processing parameter of the type String. |
| GPTaskInfo | This class provides information on a geoprocessing task at a given URL. |
| GPTaskInfo.GPParameterInfo | This class provides information on a single parameter of a geoprocessing task. |
| GPJobResource.JobStatus | The job status. |
| GPTaskInfo.ExecutionType | Indicates whether a task is synchronous or asynchronous. |
| GPTaskInfo.ParamDirection | Indicates whether a task parameter is input or output. |
| GPTaskInfo.ParamType | Indicates whether a task parameter is required, optional or derived. |