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

Scala Interview Questions

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When can you use traits?

How do we make a call to a private primary constructor in scala?

What are the advantages of case class?

What are the advantages of a anonymous function/function literal in scala?

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

What are left and right in scala?

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

What is the current latest version of scala? What is the major change or update in scala 2.12?

What is option/some/none design pattern in scala?

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

Explain either/left/right design pattern in scala?

What is case object?

Compare to java what are the major advantages or benefits of scala?

What is unapply method in scala?

What are the advantages of scala over java (java 8)?

Un-Answered Questions { Scala }

What is exception propagation in scala?

What are the major advantages of Scala Language? Are there any drawbacks of Scala Language?

How can you format a string?

What are the Popular Scala-Based Frameworks to develop RESTful Web Services or REST API?

What is a companion object?

What is hashset in scala collection?

Explain the use of tuples in scala?

Make a case for ‘Scala higher order’ functions?

What do you understand by an implicit parameter in scala ?

What is exception handling in scala?

What square measure implicit parameters in Scala?

What is a Companion Object in Scala? What is a Companion Class in Scala? What is the use of Companion Object in Scala?

How many values of type Nothing have in Scala?

What is currying in scala?

Like Hibernate for Java-based applications, What are the Popular ORM Frameworks available to use in Play/Scala based applications?

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