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What Is a Function?
A function is a block of code that performs a specific task. Whenever your app needs to execute the task, you call the function.
Predefined Functions
These are functions provided by the Kotlin standard library. They’re readily available for use. For example, println() :
fun main() {
println("Hello Kotlin!!")
}
Hello Kotlin!!
import kotlin.math.max
fun main() {
val largest = max(3, 4)
println("The largest number is $largest.")
}
The largest number is 4.