static void Main(string[] args)
{
var harry = new Person {
Name = "Harry"
};
var mary = new Person {
Name = "Mary"
};
var jill = new Person {
Name = "Jill"
};
//call instance method
var baby1 = mary.ProcreateWith(harry);
//call static method
var baby2 = Person.Procreate(harry, jill);
//call an operator
var baby3 = harry * mary;
WriteLine($"{harry.Name} has {harry.Children.Count} children.");
WriteLine($"{mary.Name} has {mary.Children.Count} children.");
WriteLine($"{jill.Name} has {jill.Children.Count} children.");
WriteLine(
format: "{0}'s first child is named \"{1}\".",
arg0: harry.Name,
arg1: harry.Children[0].Name);
WriteLine($"5! is {Person.Factorial(5)}");
var p1 = new Person {
Name = "Joe"
};
int answer = p1.MethodIWantToCall("Frog");
WriteLine($"instance->{answer}");
var d = new DelegateWithMatchingSignature(p1.MethodIWantToCall);
int answer2 = d("Frog");
WriteLine($"delegate->{answer2}");
harry.Shout += Harry_Shout;
harry.Poked();
harry.Poked();
harry.Poked();
harry.Poked();
Person[] people =
{
new Person {
Name = "Simon"
},
new Person {
Name = "Cathy"
},
new Person {
Name = "Judy"
},
new Person {
Name = "Adam"
}
};
WriteLine("initial list of people:");
foreach (var person in people)
{
WriteLine($"{person.Name}");
}
WriteLine("Use Person's IComparable to implementation to sort:");
Array.Sort(people);
foreach (var person in people)
{
WriteLine($"{person.Name}");
}
WriteLine("Use PersonComparer's IComparer to implementation to sort:");
Array.Sort(people, new PersonComparer());
foreach (var person in people)
{
WriteLine($"{person.Name}");
}
var t1 = new Thing();
t1.Data = 42;
WriteLine($"Thing with an integer: {t1.Process(42)}");
var t2 = new Thing();
t2.Data = "apple";
WriteLine($"Thing with a string: {t2.Process("apple")}");
var gt1 = new GenericThing <int>();
WriteLine($"{gt1.ToString()}");
gt1.Data = 42;
WriteLine($"GenericThing with an integer: {gt1.Process(42)}");
var gt2 = new GenericThing <string>();
gt2.Data = "apple";
WriteLine($"GenericThing with a string: {gt2.Process("apple")}");
string number1 = "4";
WriteLine("{0} squuared is {1}", arg0: number1, arg1: Squarer.Square <string>(number1));
byte number2 = 3;
WriteLine("{0} squared is {1}", arg0: number2, arg1: Squarer.Square(number2));
var dv1 = new DisplacementVector(2, 5);
var dv2 = new DisplacementVector(-1, 7);
var dv3 = dv1 + dv2;
WriteLine($"({dv1.X},{dv1.Y}) + ({dv2.X},{dv2.Y}) = ({dv3.X},{dv3.Y})");
Employee john = new Employee {
Name = "John Jones",
DateOfBirth = new DateTime(1990, 7, 28)
};
john.WriteToConsole();
john.EmployeeCode = "JJ001";
john.HireDate = new DateTime(2014, 11, 23);
WriteLine($"{john.Name} was hired on {john.HireDate:yyyy/MMM/dd}");
john.WriteToConsole();
WriteLine(john.ToString());
Employee aliceInEmployee = new Employee {
Name = "Alice", EmployeeCode = "AA123"
};
Person aliceInPerson = aliceInEmployee;
aliceInEmployee.WriteToConsole();
aliceInPerson.WriteToConsole();
WriteLine(aliceInEmployee.ToString());
WriteLine(aliceInPerson.ToString());
if (aliceInPerson is Employee)
{
WriteLine($"{nameof(aliceInPerson)} is an Employee");
Employee explicitAlice = (Employee)aliceInPerson;
}
Employee aliceAsEmployee = aliceInPerson as Employee;
if (aliceAsEmployee != null)
{
WriteLine($"{nameof(aliceAsEmployee)} as an Employee");
}
try{
john.TimeTravel(new DateTime(1999, 12, 31));
john.TimeTravel(new DateTime(1950, 12, 20));
}catch (PersonException ex) {
WriteLine(ex.Message);
}
string email1 = "*****@*****.**";
string email2 = "inst&test.com";
WriteLine("{0} is a valid e-mail address: {1}",
arg0: email1, arg1: StringExtension.IsValidEmail(email1));
WriteLine("{0} is a valid e-mail address: {1}",
arg0: email2, arg1: StringExtension.IsValidEmail(email2));
WriteLine("{0} is a valid e-mail address: {1}",
arg0: email1, arg1: email1.IsValidEmail());
WriteLine("{0} is a valid e-mail address: {1}",
arg0: email2, arg1: email2.IsValidEmail());
}