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Scala Professional Developer Certification Practice Exam

Scala — No single universally standardized Scala certification exam exists; Lightbend (formerly Typesafe) has offered professional Scala training credentials, and the Scala Center provides learning pathways — this is an original comprehensive practice set modeled on Lightbend Scala certification-level depth, covering core language semantics, functional programming, the type system, and idiomatic Scala patterns tested in professional assessments.

57
Questions
90m
Time Limit
75.00%
To Pass
Question 1 of 57👑 VIP

A developer writes the following code: scala val x: Any = 42 x match { case i: Int if i > 100 => "big" case i: Int => "small" case _ => "other" } What is the result of evaluating this expression?

Questions 2–57 and full explanations are VIP-exclusive.