GWT (Client) = How to convert Object to JSON and send to Server?

Question

I know that GWT has a good RPC support. But for various purposes I need to build this on my own:

1.) How can I convert a Bean Object (on the Client Side) like;

Answer 1

Take a look at GWT's AutoBean framework, which can be used to create and receive JSON payloads. The RequestBuilder type can be used to send HTTP requests to the server.