## Spark version: 2.2.1
## Scala version: 2.11
## How to Run
### Task1
“`bash
bin/spark-submit –class TrackHashTags Meng_Li_hw5.jar
“`
“`
bin/spark-submit –class AveTweetLength Meng_Li_hw5.jar
“`
### Task2
“`bash
bin/spark-submit –class UniqueUserCount Meng_Li_hw5.jar