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count logged in users in a GWT application

What is the best practice to count logged in users or store some information in a gwt 开发者_如何学JAVAapplication?


You can store something only using server-side code. Try reading: http://code.google.com/intl/ru/webtoolkit/doc/1.6/tutorial/clientserver.html

There is information exactly about how to use transport layer for communication with server-side.

Than (on server) you can store in db, text files, etc... On your choice...

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