правка

ProjectSportCar/ProjectSportCar/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -25,11 +25,18 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
 		set
 		{
 			if (value > 0)
+			{
+				if (_collection.Length > 0)
+				{
+					Array.Resize(ref _collection, value);
+				}
+				else
 				{
 					_collection = new T?[value];
 				}
 			}
 		}
+	}
 
 	public CollectionType GetCollectionType => CollectionType.Massive;