Scala Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Scala Interview Questions

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Which scala library is used for the functional programming?

Differentiate between array and list in scala.

List the default imports are available in scala language?

Explain bitset in scala?

What do you mean by a case class in scala?

List types of identifiers available in scala?

What is a companion object?

List the advantages of using scala over other functional programming languages.

Explain what is unit in scala?

What is scala option?

What is auxiliary constructor in scala?

Differentiate nil, null, none, and nothing in scala.

Explain function currying in scala?

How does yield work in scala?

Explain the difference between a trait and an abstract class?

Un-Answered Questions { Scala }

Mention the identifiers in scala?

What is the use of tuples in scala?

What is the difference between :: and #:: in scala?

Explain extend keyword?

How scala is different from java?

What is Diamond Problem? How Scala solves Diamond Problem?

Why scala prefers immutability?

What is a flatmap in scala?

What is flatmap in scala?

What is a singleton object in scala?

Who is the father of Scala?

What is a stream in scala?

How scala is both functional and object-oriented programming language?

Can scala learn without java?

Difference between Scala’s Inner class and Java’s Inner class?

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