Kotlin Syntax
Kotlin Syntax Basics
In the last step, we made a Kotlin file called Main.kt and wrote this simple program:
fun main() { println("Hello World") }
Breaking It Down
fun — This keyword is used to define a function
main() — This is Kotlin's starting point. Whenever you run a Kotlin program, it always looks for this function first.
Curly braces {}— The code inside these brackets is what gets executed.
println() — This command is used to print a message to the screen. In our case, it prints `"Hello World"`.
No Semicolon Needed!
Unlike Java or C++, Kotlin doesn't require you to end each line with a `;`.
So your code looks cleaner and simpler.
What About `args: Array
`?
Earlier versions of Kotlin (before 1.3) needed this version of the `main()` function:
fun main(args: Array<String>) {
println("Hello World")
}
This still works, but it’s not necessary anymore in newer versions.
You can use either — both are fine.
Prefer Learning by Watching?
Watch these YouTube tutorials to understand KOTLIN Tutorial visually:
What You'll Learn:
- 📌 Kotlin Functions and Methods - Basics and Syntax || Kotlin || Android Tutorial
- 📌 Kotlin Functions and Methods example. Basics and Syntax. Kotlin Android Tutorial. #7.1