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

Scala Interview Questions

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Why is an option used in scala?

How scala is different from java?

Explain how to create arrays?

How do you define a function in scala?

What is map in scala?

Explain the access modifiers available in scala?

How is the scala code compiled?

What are higher-order functions?

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

Explain que with example?

Explain any five string methods?

Explain the operators in scala?

Explain if-else-if terminology?

Mention the types of variables in scala?

Differentiate between null, nil, none and nothing?

Un-Answered Questions { Scala }

What is the result of x+y*z and why?

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

What is lazy val in scala?

What are the major differences between Scala’s Auxiliary constructors and Java’s constructors?

List the default imports are available in scala language?

Explain the main difference between List and Stream in Scala Collection API? How do we prove that difference? When do we choose Stream?

What is method overriding in scala?

What are the differences between Array and ArrayBuffer in Scala?

What is implicit class in scala?

What is a monad in scala? Explain

What is a companion object?

What is traversable in scala collection?

What is 'Application' in Scala or What is Scala Application? What is 'App' in Scala? What is the use of Scala’s App?

What is the use of tuples in scala?

What is an anonymous object in scala?

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