public override void UnexpectedResult()
{
// Note the different data types!
Man jakeRef = new Jake();
Woman maryRef = new Mary();
maryRef.Accept(jakeRef);
/* The previous code will print:
*
* > Jake loves Mary.
*
* As expected!
*/
}
public static void MainMethod()
{
var michael = new Mary("Michael");
var elliott = new Mary("Elliott");
var gertie = new Mary("Gertie");
Console.WriteLine($"\nMary has {Mary._numberOfChildren} children.");
Console.WriteLine($"Elliot is child number {elliott._childNumber}.\n");
Mary.Teach(michael);
michael.Learn();
Mary.Feed(elliott);
elliott.Eat();
Mary.PlayWith(gertie);
gertie.Play();
}
public override void UnexpectedResult()
{
// Note the different data types!
Man jakeRef = new Jake();
Woman maryRef = new Mary();
jakeRef.Loves(maryRef);
/* The previous code will print:
*
* > Jake loves every woman!
*
* instead of
*
* > Jake loves Mary.
*
* Runtime chooses method dynamically based on jakeRef ONLY!
*/
}
public override void ExpectedResult()
{
Man theMan = new Man();
Jake jake = new Jake();
Woman theWoman = new Woman();
Mary mary = new Mary();
theMan.Loves(theWoman);
theMan.Loves(mary);
jake.Loves(theWoman);
jake.Loves(mary);
/* The previous code will print:
*
* > Every man loves every woman!
* > Every man loves Mary.
* > Jake loves every woman!
* > Jake loves Mary.
*
* As expected!
*/
}
public override void Loves(Mary mary)
{
Console.WriteLine("Jake loves Mary.");
}
public virtual void Loves(Mary mary)
{
Console.WriteLine("Every man loves Mary.");
}