3. DataSet API Basics
This lesson gives an introduction into Flink’s DataSet API and includes a programming exercise for a first Flink program. In this lesson you will
- learn the basic concepts of the DataSet API
 - become familiar with Map, GroupReduce, and Join transformations and functions
 - write your first Flink batch program using the DataSet API
 - compile and package your program using Maven
 - execute your program on a (locally) running Flink instance