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Scala Interview Questions
Questions Answers Views Company eMail

What is object in Scala? Is it a singleton object or instance of a class?

 7

What is the main design decision about two separate keywords: class and object in Scala? How do we define Instance members and Static members in Scala?

 7

How many values of type Unit have in Scala?

 7

What is the use of ‘yield’ keyword in Scala’s for-comprehension construct?

 7

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?

 7

Which IDEs support Play and Scala-Based Applications Development and how?

 7

What is an Higher-Order Function (HOF)?

 7

What are the differences between Case class and Normal Class?

 7

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

 7

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

 7

What are the Scala Features?

 7

What is 'Type Inference' in Scala?

 7

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

 7

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

 7

What is ‘scala trait’ in scala?

 7

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Un-Answered Questions { Scala }

Explain bitset in scala?

1

What are case classes in scala?

1

Is scala worth learning?

1

What are the popular MVC frameworks for Scala Language to develop Web Applications?

7

What is Monad in Scala?

7

What is an ofdim method in scala?

1

Which is better scala or python?

1

Explain how scala is both functional and object-oriented programming language?

1

Why should I learn scala?

1

What is REPL in Scala? What is the use of Scala’s REPL? How to access Scala REPL from CMD Prompt?

7

What is the diamond problem in scala?

1

What is bitset in scala?

1

What is the best language to use with Play framework: Scala or Java?

7

What is lazy val in scala?

1

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?

7

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