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Kotlin throw keyword with example

By Chaitanya Singh | Filed Under: Kotlin Tutorial

In this short guide, we will learn how to throw a exception using throw keyword in Kotlin.

Kotlin throw keyword example

In the following example we are throwing an exception using throw keyword. Here I have thrown parent Exception class, you can throw any exception such as ArithmeticException, ArrayIndexOutOfBoundsException etc.

fun main(args: Array<String>) {
    print("Enter your name: ")
    val name = readLine()

    try{
        if (name == "Chaitanya"){
            throw Exception("You don't have access")
        }
        else
        {
            println("Welcome! You have access")
        }
    }
    catch (e: Exception){
        println(e.message)
    }
}

Output:
Kotlin throw keyword example

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