What are traits in Scala, and how are they different from classes?
Python/Codingeasy
2
When would you architecturally choose Dataset[T] over DataFrame in a Scala Spark pipeline, and what are the scalability and portability trade-offs? Include type-safety benefits vs. operational constraints.
Spark/Big Dataeasy
3
Can you explain your experience with Jenkins in your project?
Cloud/Toolseasy
4
How do you check the memory of your laptop using Linux commands?
General/Othereasy
5
How are strings handled in Scala? How are they different from Java strings?
Python/Codingeasy
6
Write a Scala code to print prime numbers.
Python/Codingeasy
7
Can you explain dynamic resource allocation in Spark? How does it help optimize job performance?
Spark/Big Dataeasy
8
How do you handle schema evolution in Spark, especially when reading data from sources like Parquet or Avro?
Spark/Big Dataeasy
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