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

Scala Interview Questions

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What is a ‘Scala set’? What square measure ways through that operation sets square measure expressed?

Difference between Scala’s Int and Java’s java.lang.Integer? What is the relationship between Int and RichInt in Scala?

What is the use of 'object' keyword in Scala? How to create Singleton objects in Scala?

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

Make a case for ‘Scala higher order’ functions?

What is the utilization of tuples in scala?

Like Java, what are the default imports in Scala Language?

Who is the father of Scala?

What is Statically-Typed Language and What is Dynamically-Typed Language?

How do we implement loops functionally? What is the difference between OOP and FP style loops?

What is the Main drawback of Scala Language?

Difference between Array and List in Scala?

What square measure the Scala variables?

Does Scala support Operator Overloading? Does Java support Operator Overloading?

Tell me some features which are supported by Java, but not by Scala and Vice versa?

Un-Answered Questions { Scala }

What does f method in scala string interpolation?

What does map in scala collection?

What is scala closure?

How do I append to the list?

Explain what is unit in scala?

What is the advantage of Scala?

What is apply method in Scala? What is unapply method in Scala? What is the difference between apply and unapply methods in Scala?

What do you mean by option in scala and why it is used?

In what ways that Scala is healthier than different programming language?

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

What is guard in Scala’s for-comprehension construct?

What is vector in scala collection?

What is Primary Constructor? What is Secondary or Auxiliary Constructor in Scala?

How many operators are there in Scala and Why?

What is the Main drawback of Scala Language?

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