The Generic Connection Framework (GCF) is a J2ME API defined to support wireless networking. It has the following interfaces:
- Connection
- StreamConnectionNotifier
- InputConnection
- OutputConnection
- DatagramConnection
- StreamConnection
- ContentConnection
The Connection interface is at the top of the interface hierarchy.
Initially GCF was defined to provide wireless support to CLDC 1.0 because java.net and java.io APIs are too large for resource-constrained devices. But now it provides support to CLDC 1.1 and CDC as well.
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