Kotlin MCQs with answers Page - 11

Here, you will find a collection of MCQ questions on Kotlin. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. What will be the result of `println(5 in 1..10)`?

  • (A) true
  • (B) false
  • (C) 5
  • (D) 1..10

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Q. How do you represent a character in Kotlin?

  • (A) 'A'
  • (B) A
  • (C) "A"
  • (D) @A

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Q. Which of the following is a correct Kotlin string template?

  • (A) Hello + name
  • (B) Hello {name}
  • (C) Hello $name
  • (D) Hello &name

A

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Q. Which function is used to read input from the console in Kotlin?

  • (A) read()
  • (B) readInput()
  • (C) readLine()
  • (D) input()

A

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Q. What is the correct way to declare an array in Kotlin?

  • (A) array[1, 2, 3]
  • (B) Array(1, 2, 3)
  • (C) arrayOf(1, 2, 3)
  • (D) list(1, 2, 3)

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Q. What does the spread operator (*) do in Kotlin?

  • (A) Multiplies two values
  • (B) Spreads an array into individual arguments
  • (C) Expands a range
  • (D) Joins a string

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Q. Which keyword is used to declare a loop in Kotlin?

  • (A) loop
  • (B) while
  • (C) iterate
  • (D) foreach

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Q. Which Kotlin keyword creates a subclass?

  • (A) derive
  • (B) extends
  • (C) :
  • (D) inherits

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Q. How do you define a function that returns nothing in Kotlin?

  • (A) fun myFunc(): void
  • (B) fun myFunc(): null
  • (C) fun myFunc(): Unit
  • (D) fun myFunc(): Nothing

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Q. What is the default type of numbers without decimals in Kotlin?

  • (A) Double
  • (B) Float
  • (C) Int
  • (D) Long

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