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Kotlin Hello World

In This Section we will create a Kotlin Hello World Example:

Getting Started With hello World example in Kotlin

First Create a new folder anywhere you want to store your new Hello-World Project.

Create a new file called hello-World.kt and paste the following code:

fun main() {
  println("Hello World")
}

Explaining Hello World example in Kotlin


  • In Kotlin fun is a keyword used to declare a function. A function is a block of code designed to perform a particular task. In the example above, it declares the main() function. you can create your own customized function that does a specific task

  • The main() function has to exist always as it represents an entry point to your program. This function is used to execute code. Any code inside the main() function's curly brackets {} will be executed.

  • The println() function is inside the main() function, is an output built in function in Kotlin. In this example it will print hello World.

Output

Hello World

Conclusion

In this page (written and validated by ) you learned about Kotlin Hello World . What's Next? If you are interested in completing Kotlin tutorial, your next topic will be learning about: Kotlin Output Functions.



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