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Kotlin Take user input

In Kotlin, you can read line from user input using readline() function.

Another way also you can use reader Object from Sanner package. Below is a sample how to import Scanner Package:

import java.util.Scanner

Kotlin Take user input example

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

    val stringInput = readLine()!!
    println("Your name is: $stringInput")
}

Output

Enter your name: Jhon
Yous name is: Jhon

Kotlin Taking use input Example using reader from Scanner

import java.util.Scanner

fun main(args: Array<String>) {

    val reader = Scanner(System.`in`)
    print("Enter a your age: ")

    var integer:Int = reader.nextInt()

    println("Your age is: $integer")
}

Output

Enter your age: -35
Your age is: -35


To get Long, Float, double and Boolean input from the user, you can use nextLong(), nextFloat(), nextDouble() and nextBoolean() methods respectively.

You can also look at Kotlin Data Types Section to understand better Data types supported by Kotlin.

Conclusion

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



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