Durable Functions for Java is now generally available. Durable Functions makes it easy to orchestrate stateful workflows as-code in a serverless environment. Some common stateful application patterns that Durable Functions facilitates include "function chaining", "fan out/fan in", "async http APIs", "monitor", and "human interaction". More details about Durable Functions concepts and patterns can be found in our documentation.
To get started with Durable Functions for Java, try the quickstart.