Scala Interview Questions
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Which scala library is used for the functional programming?

1

Differentiate between array and list in scala.

1

List the default imports are available in scala language?

1

Explain bitset in scala?

1

What do you mean by a case class in scala?

1

List types of identifiers available in scala?

1

What is a companion object?

1

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

1

Explain what is unit in scala?

1

What is scala option?

1

What is auxiliary constructor in scala?

1

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

1

Explain function currying in scala?

1

How does yield work in scala?

1

Explain the difference between a trait and an abstract class?

1


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Un-Answered Questions { Scala }

Describe loops in scala?

1


What is the use of auxiliary constructors in scala? explain the rules to follow in defining auxiliary constructors in scala?

5


Mention the identifiers in scala?

1


Explain any five string methods?

1


What is case class? What is case object? What are the Advantages of case class?

7


Explain the difference between val and var in scala?

1


What is the difference between a java future and a scala future?

1


What is the difference between apply and unapply methods in scala?

7


What is akka in scala?

1


mention the types of variables in scala? And what is the difference between them?

1


How do we declare a private Primary Constructor in Scala? How do we make a call to a private Primary Constructor in Scala?

7


what are the features of scala?

1


How to create arrays in scala?

1


In Scala, Pattern Matching follows which Design Pattern? In Java, ‘isinstanceof’ operator follows which Design Pattern?

7


What is the difference between call-by-value and call-by-name function parameters?

7