Kotlin Basic Programs for Beginners

What is the output of the following Kotlin code?

fun main() {
val nums = arrayOf(1, 2, 3, 4, 5)
val result = nums.min()
println(result)
}

What is the output of the following Kotlin code?

fun main() {
val str = "hello, world"
val result = str.filter { it.isLetter() }
println(result)
}

What is the output of the following Kotlin code?

fun main() {
val nums = arrayOf(1, 2, 3, 4, 5)
val sum = nums.fold(0) { acc, num -> acc + num }
println(sum)
}

What is the output of the following Kotlin code?

fun main() {
val nums = arrayOf(1, 2, 3, 4, 5)
val result = nums.map { it * 2 }
println(result)
}

What is the output of the following Kotlin code?

fun main() {
val arr = arrayOf(1, 2, 3, 4, 5)
for (i in arr.indices step 2) {
println(arr[i])
}
}

What is the output of the following Kotlin code?

fun main() {
val nums = arrayOf(1, 2, 3, 4, 5)
val result = nums.any { it % 2 == 0 }
println(result)
}

What is the output of the following Kotlin code?

fun main() {
val nums = arrayOf(1, 2, 3, 4, 5)
val result = nums.count { it % 2 == 0 }
println(result)
}

What is the output of the following Kotlin code?

fun main() {
val name: String? = null
println(name?.length ?: -1)
}

What is the output of the following Kotlin code?

fun main() {
val nums = arrayOf(1, 2, 3, 4, 5)
val result = nums.first { it % 2 == 0 }
println(result)
}

What is the output of the following Kotlin code?

fun main() {
val nums = arrayOf(1, 2, 3, 4, 5)
val result = nums.max()
println(result)
}