Kotlin program to find area of a cylinder

Program to find area of a cylinder in Kotlin

package com.includehelp

import java.util.*

//Main Function , Entry point of Program
fun main(args: Array<String>) {

    //Input Stream
    val scanner = Scanner(System.`in`)

    //Input Radius
    print("Enter Radius of Cylinder : ")
    val radius = scanner.nextDouble()

    //Input Height
    print("Enter Height of Cylinder : ")
    val height = scanner.nextDouble()

    //Cylinder Surface Area
    val areaCylinder = 2*Math.PI*(radius+height)

    //Print Area
    println("Surface Area of Cylinder is :$areaCylinder")
}

Output

Run 1:
Enter Radius of Cylinder : 5
Enter Height of Cylinder : 7
Surface Area of Cylinder is :75.39822368615503
---
Run 2:
Enter Radius of Cylinder : 29
Enter Height of Cylinder : 4
Surface Area of Cylinder is :207.34511513692635