Is Scala necessary for spark?

Related questions

1. Is Scala any good?
2. Is Scala good for machine learning?
3. What is API in Scala?
4. Why you should learn Scala?
5. Is Scala good for data science?
6. Is Java a Scala?
7. What is Scala in big data?
8. How Scala is used in Hadoop?
9. Why Scala is used in spark?
10. Why Scala is used in big data?

Tags

1. #since
2. #performance
3. #programs
4. #native
5. #seamlessly
6. #write
7. #written
8. #hadoop
9. #might
10. #learn
11. #necessary
12. #scala
13. #benefits
14. #works
15. #spark
16. #learning
17. #based