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Scala

Scala

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

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Programming Through Python

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