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

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Programming Through Python

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