Data update

Task/Naming-conventions/Java/naming-conventions.java

@@ -0,0 +1,37 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class NamingConventions {
+
+	public static void main(String[] arguments) {		
+	    SolarSystem solarSystem = new SolarSystem();
+	    solarSystem.showSunDiameter();
+	    System.out.println("The planetary system comprises of:");
+	    solarSystem.listPlanets();
+	}
+
+}
+
+enum Planet { MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS, NEPTUNE, PLUTO }
+
+class SolarSystem {
+	
+	public SolarSystem() {
+		for ( Planet planet : Planet.values() ) {
+			planets.add(planet);
+		}
+	}
+	
+	 public void showSunDiameter() {
+		 System.out.println("The diameter of the sun is approximately " + SOLAR_DIAMETER + " km");
+	 }
+	
+	public void listPlanets() {
+		System.out.println(planets);
+	}
+	
+    private List<Planet> planets = new ArrayList<Planet>();
+
+    private static final int SOLAR_DIAMETER = 1_390_000;
+
+}