## Versions Used
I choose Scala for this project. The version I use is 2.11. The spark version I use is 2.2.1.
## Run
### TrackHashTags
“`
bin/spark-submit –class TrackHashTags Zhendong_Hu_hw5.jar
“`
### AveTweetLength
“`
bin/spark-submit –class AveTweetLength Zhendong_Hu_hw5.jar
“`
### UniqueUserCount
run StreamingSimulation first
“`
java -cp simulation.jar StreamingSimulation userId.txt 9999 1
“`
then run spark
“`
bin/spark-submit –class UniqueUserCount Zhendong_Hu_hw5.jar localhost 9999
“`
Ctr-c stop, the program will print the estimate.