to Cocoon Samples main page to Cocoon Blocks Samples main page Since the Cocoon Control Flow is a core technology you find more examples that make use of it e.g. Cocoon Forms block, Petstore block, and Supersonic Tour block. A simple web-based calculator that uses javascript on the server side to describe the web application flow between screens in a coherent unique location and continuations to maintain state between requests. A common portion of an application which requires users to be registered. This example shows how to use java objects from the javascript flow as it is best practice to put business logic into strongly-typed java objects and use javascript to describe only the page flow.