static void UsePersonCollection()
{
Console.WriteLine("***** Custom Person Collection *****\n");
PersonCollection myPeople = new PersonCollection();
myPeople.AddPerson(new Person("Homer", "Simpson", 40));
myPeople.AddPerson(new Person("Marge", "Simpson", 38));
myPeople.AddPerson(new Person("Lisa", "Simpson", 9));
myPeople.AddPerson(new Person("Bart", "Simpson", 7));
myPeople.AddPerson(new Person("Maggie", "Simpson", 2));
foreach (Person p in myPeople)
{
Console.WriteLine(p);
}
}
static void UsePersonCollection()
{
Console.WriteLine("***** Custom Person Collection *****\n");
PersonCollection myPeople = new PersonCollection();
myPeople.AddPerson(new Person("Homer", "Simpson", 40));
myPeople.AddPerson(new Person("Marge", "Simpson", 38));
myPeople.AddPerson(new Person("Lisa", "Simpson", 9));
myPeople.AddPerson(new Person("Bart", "Simpson", 7));
myPeople.AddPerson(new Person("Maggie", "Simpson", 2));
// This would be a compile-time error!
// myPeople.AddPerson(new Car());
foreach (Person p in myPeople)
Console.WriteLine(p);
}
static void UserPersonCollection()
{
Console.WriteLine("***** Custom Person Collection *****\n");
PersonCollection myPeople = new PersonCollection();
myPeople.AddPerson(new Person(40, "Homer", "Simpson"));
myPeople.AddPerson(new Person(38, "Marge", "Simpson"));
myPeople.AddPerson(new Person(9, "Lisa", "Simpson"));
myPeople.AddPerson(new Person(7, "Bart", "Simpson"));
myPeople.AddPerson(new Person(2, "Maggie", "Simpson"));
//myPeople.AddPerson("Firstname Lastname");
foreach (Person p in myPeople)
{
Console.WriteLine(p);
}
}
private static void UsePersonCollection()
{
Console.WriteLine("****** Custom Person Collection ******\n");
PersonCollection myPeople = new PersonCollection();
myPeople.AddPerson(new Person("Homer", "Simpson", 40));
myPeople.AddPerson(new Person("Marge", "Simpson", 38));
myPeople.AddPerson(new Person("Lisa", "Simpson", 9));
myPeople.AddPerson(new Person("Bart", "Simpson", 7));
myPeople.AddPerson(new Person("Maggie", "Simpson", 2));
// This would be a compile-time error!
// myPeople.AddPerson(new Car());
foreach (Person p in myPeople)
{
Console.WriteLine(p);
}
Console.WriteLine();
}
static void UsePersonCollection() {
PersonCollection myPeople = new PersonCollection();
myPeople.AddPerson(new Person("Homer"));
myPeople.AddPerson(new Person("Mary"));
myPeople.AddPerson(new Person("Lisa"));
myPeople.AddPerson(new Person("Bart"));
myPeople.AddPerson(new Person("Maggie"));
//myPeople.AddPerson(new OperatingSystem(PlatformID.MacOSX, new Version(10, 0))); ERROR
foreach (Person p in myPeople) { //Works without casting here
Console.WriteLine(p);
}
try {
foreach (int p in myPeople) { //Runtime error
// Console.WriteLine(p);
}
} catch (InvalidCastException ex) {
Console.WriteLine(ex.Message);
}
Console.WriteLine();
}