Data commit

Task/Naming-conventions/Kotlin/naming-conventions.kotlin

@@ -0,0 +1,31 @@
+// version 1.0.6
+
+const val SOLAR_DIAMETER = 864938
+
+enum class Planet { MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS, NEPTUNE, PLUTO } // Yeah, Pluto!
+
+class Star(val name: String) {
+    fun showDiameter() {
+        println("The diameter of the $name is ${"%,d".format(SOLAR_DIAMETER)} miles")
+    }
+}
+
+class SolarSystem(val star: Star) {
+    private val planets = mutableListOf<Planet>()  // some people might prefer _planets
+
+    init {
+       for (planet in Planet.values()) planets.add(planet)
+    }
+
+    fun listPlanets() {
+       println(planets)
+    }
+}
+
+fun main(args: Array<String>) {
+    val sun = Star("sun")
+    val ss = SolarSystem(sun)
+    sun.showDiameter()
+    println("\nIts planetary system comprises : ")
+    ss.listPlanets()
+}