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Developing Spark applications using Scala language Chinese WORD version
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This document mainly talks about developing Spark applications using Scala language; the Spark core is developed in Scala language, so it is natural to use Scala language to develop Spark applications. If you are not familiar with the Scala language, you can read the online tutorial A Scala Tutorial for Java Programmers or related Scala books to learn.
This article will introduce three Scala Spark programming examples, namely WordCount, TopK and SparkJoin, which represent three typical applications of Spark. I hope this document will help friends in need; interested friends can come and take a look