static void DemonstrateReferenceType()
{
Person myPerson = new Person(); // must use the new keyword to instantiate our type
myPerson.Name = "Billy Joe-Bob-Roy";
ManipulatePerson(myPerson);
Console.WriteLine("The person's name is: {0}", myPerson.Name);
}
/// <summary>
/// Because this is a reference type, only the pointer to the memory location is passed
/// Thus any manipulation of the data effects the caller, because they point to the same memory location
///
/// Think of it this way: If you had very large classes and .NET always made a copy of the whole object anytime you passed it around,
/// you would run out of memory pretty quickly. Passing memory pointers around is very efficient.
/// </summary>
static void ManipulatePerson(Person myPerson)
{
myPerson.Name = "Jane Doe";
}