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?

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Un-Answered Questions { Scala }

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

What is Unit in Scala? What is the difference between Java’s void and Scala’s Unit?

Explain different types of identifiers in scala?

What language is scala written in?

How Scala solves Inheritance Diamond Problem automatically and easily than Java 8?

Explain what is Scala?

What is the default Unit and Functional Testing Framework for Play? What is the default Build Tool for Play? What is the Default Template Engine for Play? What is the built-in Web Server available in Play Framework?

What is for-comprehension in scala?

List the default imports are available in scala language?

What is ‘scala trait’ in scala?

What is pattern matching?

How many values of type Unit have in Scala?

What is an auxiliary constructor?

What is a singleton object in scala?

How to install scala? Explain

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