| Name | Description | Type | Package | Framework |
| CoordinateTupleIterator | Defines the interface that every coordinate tuple iterator must implement. | Interface | org.jscience.ml.gml.util | JScience |
| FeatureIterator | Defines the interface every feature iterator must implement. | Interface | org.jscience.ml.gml.util | JScience |
| GeometryIterator | Defines the interface every geometry iterator must implement. | Interface | org.jscience.ml.gml.util | JScience |
| GMLConstructIterator | Defines an interface for an iterator on GML constructs. | Interface | org.jscience.ml.gml.util | JScience |
| PropertyIterator | Defines the interface every property iterator must implement. | Interface | org.jscience.ml.gml.util | JScience |
| UnknownConstructIterator | Interface | org.jscience.ml.gml.util | JScience | |