Kotlin Output Quiz

What is the output of the following code? fun greet(name: String): String { return "Hello, $name" } fun main() { println(greet("Kotlin")) }

• Hello Kotlin

• Hello, Kotlin

• greet(Kotlin)

• Kotlin

Output? fun sum(a: Int, b: Int): Int = a + b fun main() { val result = sum(10, 15) println(result) }

• 25

• 10 + 15

• sum

• 0

Output? fun loopTest() { for (i in 1..3) { print(i) } } fun main() { loopTest() }

• 123

• 012

• 1 2 3

• Error

Output? fun operate(a: Int, b: Int, op: (Int, Int) -> Int): Int { return op(a, b) } fun main() { val result = operate(3, 4) { x, y -> x * y } println(result) }

• 12

• 7

• 1

• 0

Output? val square: (Int) -> Int = { it * it } fun main() { println(square(5)) }

• 25

• 10

• 5

• Error

Output? fun compute(op: (Int) -> Int) { println(op(3)) } fun main() { compute { it + 10 } }

• 13

• 10

• 3

• Error

Output? inline fun greet(block: () -> Unit) { println("Start") block() println("End") } fun main() { greet { println("Hello Inline") } }

• Start Hello Inline End

• Hello Inline

• Start End

• Error

Output? fun factorial(n: Int): Int { return if (n == 1) 1 else n * factorial(n - 1) } fun main() { println(factorial(4)) }

• 24

• 12

• 10

• Error

Output? fun main() { val arr = arrayOf(1, 2, 3, 4) println(arr[2]) }

• 3

• 2

• 4

• Error

Output? fun main() { val arr = IntArray(5) { it * 2 } println(arr.joinToString()) }

• 0, 2, 4, 6, 8

• 2, 4, 6, 8, 10

• 1, 2, 3, 4, 5

• 0 2 4 6 8