Stage 1 Task: Mobile

Circle.kt

package hngi9

class Circle {
    var radius: Double
    var color: String

    internal constructor() {
        radius = 1.0
        color = "red"
    }

    internal constructor(radius: Double) {
        this.radius = radius
        color = "red"
    }

    internal constructor(radius: Double, color: String) {
        this.radius = radius
        this.color = color
    }

    val area: Double
        get() = Math.PI * Math.pow(radius, 2.0)
    val circumference: Double
        get() = 2 * Math.PI * radius
    val description: String
        get() = "Radius " + radius.toInt() + " Color " + color

    val getColor: String
        get() = color;
}

Inflate.kt

package hngi9

object Inflate {
    @JvmStatic
    fun main(args: Array<String>) {

        // Get reference to the {@link Circle} objects.
        val circle3 = Circle(2.0, "blue")
        val circle2 = Circle(2.0)
        val circle1 = Circle()

        // Print deets of {@link Circle} 1
        System.out.printf(
            "Circle 1: \nArea: %.15f\nCircumference: %.15f\nDescription: %s\nColor: %s\n\n",
            circle1.area, circle1.circumference, circle1.description, circle1.getColor
        )

        // Print deets of {@link Circle} 2
        System.out.printf(
            "Circle 2: \nArea: %.15f\nCircumference: %.15f\nDescription: %s\nColor: %s\n\n",
            circle2.area, circle2.circumference, circle2.description, circle2.getColor
        )

        // Print deets of {@link Circle} 3
        System.out.printf(
            "Circle 3: \nArea: %.15f\nCircumference: %.15f\nDescription: %s\nColor: %s",
            circle3.area, circle3.circumference, circle3.description, circle3.getColor
        )
    }
}