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Kotlin Function Parameters

Parameters considered as necessary information (variables) to be used when executing a customized code. The function parameters in Kotlin will be passed between 2 parentheses after function name. The parameters types should be provided when defining a function.

Example of Kotlin function with parameters

fun sayHelloToCompleteName(fname: String, lname: String) {
  println("Hello " + fname + " " + lname)
}

fun main() {
  sayHelloToCompleteName("John", "Smith")
}

Output

Hello John Smith

Another example of Kotlin function with parameters

fun sayPersonAge(fname: String, age: Int) {
  println(fname + " age is " + age)
}

fun main() {
  sayPersonAge("John", 35)
}

Output

John age is 35

Conclusion

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



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