Apache Flink is an open-source, unified stream-processing and batch-processing framework developed by the Apache Software Foundation. The core of Apache Flink is a distributed streaming data-flow engine written in Java and Scala. Flink executes arbitrary dataflow programs in a data-parallel and pipelined manner. This tutorial will show you step-by-step how to use Astra as a sink for results computed by Flink. 

This code is intended as a fairly simple demonstration of how to enable an Apache Flink job to interact with Astra. There is certainly room for optimization here. 

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