kafka-exercise-Global-Word-Count.md

Exercise: Global Word Count

Write a new Kafka application WordCountApp (using Kafka Producer and Consumer APIs) that does the following:

1. Consumes records from a topic, e.g. input
2. Counts words (in the values of records)
3. Uses KStream.groupBy to group by word and count the occurences
   1. Uses the state
4. Produces records with the unique words and their occurences (counts)

Duration: 30 mins