speed_Boat/speed_Boat/BoatCompareByColor.cs

@@ -25,13 +25,6 @@ namespace speed_Boat.Generics
             {
                 return x._entityBoat.MainColor.Name.CompareTo(y._entityBoat.MainColor.Name);
             }
-            if(x.GetType().Name != y.GetType().Name) 
-            {
-                if (x is DrawingBoat)
-                    return -1;
-                else
-                    return 1;
-            }
             if(x.GetType().Name == y.GetType().Name && x is DrawingSpeedBoat)
             {
                 EntitySpeedboat _speedboatX = (EntitySpeedboat)x._entityBoat;

speed_Boat/speed_Boat/BoatsCollectionInfo.cs

@@ -18,11 +18,14 @@ namespace speed_Boat.Generics
         public bool Equals(BoatsCollectionInfo? other)
         {
             // TODO прописать логику сравнения по свойству Name
-            return Name == other.Name;
+            if (Name == other?.Name)
+                return true;
+
+            return false;
         }
         public override int GetHashCode()
         {
-            return this.Name.GetHashCode();
+            return Name.GetHashCode();
         }
     }
 }