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?

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Un-Answered Questions { Scala }

What is the best Framework to generate REST API documentation for Scala-based applications?

Why Scala is better than Java? What are the advantages of Scala over Java (Java 8)? Compare to Java What are the major advantages or benefits of Scala?

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

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

Why is scala faster than java?

What is a applicative?

Is Scala Statically-Typed Language?

What is a nexted function in scala?

What is method overloading in scala?

What is unapply method in scala?

What is call-by-name? Does Scala and Java support call-by-name? What is the difference between call-by-value and call-by-name function parameters?

How Scala supports both Highly Scalable and Highly Performance applications?

What is akka in scala? Explain

When compare to Normal Class, What are the major advantages or benefits of a Case-class?

What are the Java’s OOP constructs not supported by Scala? What are the Scala’s OOP constructs not supported by Java? What are the new OOPs constructs introduced by Scala, but not supported by Java?

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