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Kotlin Backend Developer practice tests

9 tests · 90 questions. Take them in order, from basics to advanced, or start with any one.

  1. 1Kotlin fundamentals and null safety10 questions13 min
  2. 2Functions, lambdas and extensions10 questions13 min
  3. 3Data, sealed and value classes10 questions13 min
  4. 4Collections, sequences and generics10 questions13 min
  5. 5Coroutines and structured concurrency10 questions13 min
  6. 6Flows and channels10 questions13 min
  7. 7Web services and data access10 questions13 min
  8. 8Testing10 questions13 min
  9. 9JVM concurrency and performance10 questions13 min