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23 June, 11:31

Related to Scala Constuct

1 Which of the following are the key concepts of Functional Programming a. Immutability b. Pure functions c. Inheritance d. Referential Transparency.

2 Can the following pseudo function be considered a pure function? function getMeTimeAdded (arg Integer) = currentTime + Integer

3 You can modify an immutable object once created (Yes/No)

4 Scala is a pure functional programming language (True/False)

5 Functional programming language cannot be an object oriented language too (True/False)

6 For the given statement,

val s = List (1,2,3)

What would be the type of s?

7 Is this a valid expression val f: Int = (x: Int) = > x + 1

8 What is the preferred qualifier for defining a variable in Scala.

9 What is the default class List is imported from?

10 Functions are first class objects in function

+1
Answers (2)
  1. 23 June, 13:14
    0
    1 b

    ...
  2. 23 June, 13:24
    0
    1. B (pure functions)

    2. No, It is an inheritance.

    3. No, immutable objects are objects which cannot be changed.

    4. False, Scala programming is a pure object oriented programming.

    5. True, functional programming is a layer above object oriented programming.

    6. The type of s would Scala

    7. Yes, the expression is valid

    8. The best qualifier is myvar (syntax variable).

    9. It is imported from Scala

    10. Yes, a function is said to be first class when it is treated like other variables.
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