Now, let's get hands-on with Spark so that we can go deeper into the core APIs and libraries. In all of the chapters of this book, I will be referring to the 2.2.1 release of Spark, however, several examples that are presented here should work with the 2.0 release or later. I will put a note when an example is specifically for 2.2+ releases only.
First of all, you need to download Spark from its official website (https://spark.apache.org/downloads.html). The download page should look like this:
Figure 1.4
You need to have JDK 1.8+ and Python 2.7+ or 3.4+ (only if you need to develop using this language). Spark 2.2.1 supports ...
