🧠 Kotlin Function Parameters EXPLAINED | Default, Named & Vararg Made Easy!
📚 Kotlin Function Parameters Demystified!
In this beginner-friendly Kotlin tutorial, we’ll cover everything you need to know about function parameters — including:
🧩 What you’ll learn:
✅ Default Parameters – assign fallback values for cleaner code
✅ Named Parameters – make function calls readable and flexible
✅ Vararg Parameters – pass multiple values like a pro
With real-world examples and clear explanations, you’ll understand when and how to use each of these features in your Kotlin projects.
// Default Parameter
fun greet(name: String = "Guest") {
println("Hello, $name!")
}
// Named Parameters
fun createUser(name: String, age: Int, city: String) {
println("$name, $age, from $city")
}
createUser(name = "Aryan", age = 25, city = "Delhi")
// Vararg
fun printNumbers(vararg numbers: Int) {
for (num in numbers) println(num)
}
printNumbers(1, 2, 3, 4, 5)
🎯 Ideal For:
Kotlin beginners
Android developers
Anyone transitioning from Java
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Learners preparing for interviews or projects
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