tracks/csharp/exercises/space-age/Example.cs in trackler-2.0.8.14 vs tracks/csharp/exercises/space-age/Example.cs in trackler-2.0.8.15

@@ -6,70 +6,70 @@
     private enum Planet
     {
         Earth, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune
     }
 
-    public long Seconds { get; private set; }
+    private readonly long seconds;
 
-    private readonly Dictionary<Planet, decimal> earthYearToPlanetPeriod = new Dictionary<Planet, decimal>
+    private readonly Dictionary<Planet, double> earthYearToPlanetPeriod = new Dictionary<Planet, double>
         {
             { Planet.Earth, 1 },
-            { Planet.Mercury, 0.2408467m },
-            { Planet.Venus, 0.61519726m },
-            { Planet.Mars, 1.8808158m },
-            { Planet.Jupiter, 11.862615m },
-            { Planet.Saturn, 29.447498m },
-            { Planet.Uranus, 84.016846m },
-            { Planet.Neptune, 164.79132m },
+            { Planet.Mercury, 0.2408467 },
+            { Planet.Venus, 0.61519726 },
+            { Planet.Mars, 1.8808158 },
+            { Planet.Jupiter, 11.862615 },
+            { Planet.Saturn, 29.447498 },
+            { Planet.Uranus, 84.016846 },
+            { Planet.Neptune, 164.79132 },
         };
 
     public SpaceAge(long seconds)
     {
-        Seconds = seconds;
+        this.seconds = seconds;
     }
 
-    private decimal CalculateAge(decimal periodInEarthYears)
+    private double CalculateAge(double periodInEarthYears)
     {
-        const decimal EARTH_ORBIT_IN_SECONDS = 31557600;
-        return Math.Round(Seconds / (EARTH_ORBIT_IN_SECONDS * periodInEarthYears), 2);
+        const double EARTH_ORBIT_IN_SECONDS = 31557600;
+        return Math.Round(seconds / (EARTH_ORBIT_IN_SECONDS * periodInEarthYears), 2);
     }
 
-    public decimal OnEarth()
+    public double OnEarth()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Earth]);
     }
 
-    public decimal OnMercury()
+    public double OnMercury()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Mercury]);
     }
 
-    public decimal OnVenus()
+    public double OnVenus()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Venus]);
     }
 
-    public decimal OnMars()
+    public double OnMars()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Mars]);
     }
 
-    public decimal OnJupiter()
+    public double OnJupiter()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Jupiter]);
     }
 
-    public decimal OnSaturn()
+    public double OnSaturn()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Saturn]);
     }
 
-    public decimal OnUranus()
+    public double OnUranus()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Uranus]);
     }
 
-    public decimal OnNeptune()
+    public double OnNeptune()
     {
         return CalculateAge(earthYearToPlanetPeriod[Planet.Neptune]);
     }
 }
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