DDE for Java allows Java applications to communicate with native Windows applications via DDE protocol.
Supported DDE transactions (both synchronous and asynchronous are supported):Request - get value of a DDE itemExecute - execute a DDE commandPoke - update value of a DDE itemAdvstart - start listening to DDE item changesAdvstop - stop listening to DDE item changesOther features:Multi-server conversations - open several connections simultaneouslySimplified interface for asynchronous transactions and event handlingDDE errors are wrapped in Java exceptionsProxyServer - access to a DDE server over a network