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Scala

Scala

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Q1. Which of these is/are paradigm of Scala programming?
1. All of the above
2. Functional
3. Object oriented
4. Statistical type
Q2. Which of these is not a Scala identifier?
1. Operative identifier
2. String identifier
3. Literal identifier
4. Alphanumeric identifier
Q3. What will be the output for: println(40.getClass) ?
1. This causes a compilation error
2. 65
3. This causes a runtime error
4. Int
Q4. Define monad in Scala
1. All of the above
2. A single object
3. A single parameter function
4. An object that wraps another object
Q5. Which of these is true for apply/unapply methods?
1. Apply is like a constructor
2. None of the above
3. Apply lets us create objects from arguments
4. All of the above
Q6. Complete the definition: A closure is function:
1. that takes another argument as function.
2. whose return value is decided by a variable declared outside of it.
3. that returns another argument as function.
4. that returns a Future.
Q7. What does Scala stand for?
1. Scalar language
2. Scale language
3. Scalable language
4. Sequential language
Q8. Find the output of: println("frankl"||true))
1. This code throws an error
2. This code doesn't exist
3. 1
Q9. How to turn string "batmanstein" to string "man" in Scala?
1. "batmanstein”.drop(3).capitalize.take(3)
2. "batmanstein”.drop(3).take(3).capitalize
3. None of the above
4. All of the above
Q10. Choose the incorrect way to make an executable Scala program.
1. Compile objects with main method
2. Using an IDE
3. None of the above
4. Execute script file in the interpreter

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Programming Through Python

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