20 Mind-Blowing Kotlin One-Liner You Need to Try!🚀

Photo by Milan De Clercq on Unsplash

In this article we will see 20 one-liner code snippets that you need to try 🚀

1. Swap two variables without a temporary variable 🚀

var a = 5; var b = 10; a = b.also { b = a }

2. Reverse a string 🚀

val reversed = "Kotlin".reversed()

3. Check if a number is even 🚀

val isEven = 10 % 2 == 0

4. Convert a list to a comma-separated string 🚀

val result = listOf("Apple", "Banana", "Cherry").joinToString(", ")

5. Find the maximum number in a list 🚀

val maxNumber = listOf(1, 5, 8, 3).maxOrNull()

6. Get the first letter of a string 🚀

val firstLetter = "Hello".firstOrNull()

7. Create a singleton in Kotlin 🚀

object Singleton { fun greet() = "Hello, Singleton!" }

8. Generate a random number within a range 🚀

val randomNum = (1..100).random()