static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson danny = new SalesPerson();
danny.Name = "Danny";
danny.Age = 31;
danny.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
//错误!不能从对象实例中直接访问受保护数据
//Employee emp = new Employee();
//emp.empName = "Fred";
double cost = chucky.GetBenefitCost();
// 定义福利等级
Employee.BenefitPackage.BenefitPackageLevel myBendfitLevel = Employee.BenefitPackage.BenefitPackageLevel.Platinum;
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
Console.ReadLine();
}
// Create a subclass object and access base class functionality
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
// Assume Manager has a constructor matching this signature:
// (string fullName, int age, int empID,
// float currPay, string ssn, int numbofOpts)
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
double cost = chucky.GetBenefitCost();
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
// Define my benefit level.
BenefitPackage.BenefitPackageLevel myBenefitLevel = BenefitPackage.BenefitPackageLevel.Platinum;
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson
{
Age = 31,
Name = "Fred",
SalesNumber = 50
};
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
double cost = chucky.GetBenefitCost();
Console.WriteLine($"Benefit Cost: {cost}");
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel =
Employee.BenefitPackage.BenefitPackageLevel.Platinum;
CastingExamples();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("=> Basic Inheritance");
//Car myCar = new Car(80) {Speed = 50};
//Console.WriteLine("My car is going {0}MPH", myCar.Speed);
//MiniVan myVan = new MiniVan() { Speed = 10 };
//Console.WriteLine("My van is going {0}MPH", myVan.Speed);
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson()
{
Age = 31, Name = "Fred", SalesNumber = 50
};
fred.DisplayStats();
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
Console.ReadLine();
// Assume Manager has a constructor matching this signature:
// (string fullName, int age, int empID,
// float currPay, string ssn, int numbOfOpts)
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
//double cost = chucky.GetBenefitCost();
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.ReadLine();
// Define benefit level
Employee.BenefitPackage.BenefitPackageLevel mybenefitLevel =
Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson danny = new SalesPerson();
danny.Age = 31;
danny.Name = "Danny";
danny.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "222-33-1223", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
double cost = chucky.GetBenefitsCost();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-33-1243", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel =
Employee.BenefitPackage.BenefitPackageLevel.Platinum;
CastingExamples();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson beedle = new SalesPerson();
beedle.Age = 28;
beedle.Name = "Beedle";
beedle.SalesNumber = 38;
// A better bonus system!
Manager ganondorf = new Manager("Ganondorf", 200, 4, 181000, "320-10-2923", 15000);
double cost = ganondorf.GetBenefitCost();
ganondorf.GiveBonus(3000);
ganondorf.DisplayStats();
Console.WriteLine();
SalesPerson impa = new SalesPerson("Impa", 67, 21, 90000, "281-23-2180", 17);
impa.GiveBonus(1000);
impa.DisplayStats();
// Define my benefit level.
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel =
Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson();
fred.Age = 32;
fred.Name = "Fred";
fred.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2332", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson frank = new SalesPerson("Frank", 43, 93, 3000, "932-23-3232", 31);
frank.GiveBonus(200);
frank.DisplayStats();
CastingExamples();
//Привести объект Manager к объекту Hexagon невозможно
//но этот код нормально скомпилируется!
try
{
object ted = new Manager();
Hexagon hex = (Hexagon)ted;
}
catch (InvalidCastException ex)
{
Console.WriteLine($"{ex.Message}\n");
}
//Использование ключевого слова as для проверки совместимости приводимых типов
object[] things = new object[5];
things[0] = new SalesPerson();
things[1] = false;
things[2] = new Manager();
things[3] = "Last thing";
things[4] = new PTSalesPerson();
foreach (object item in things)
{
Employee h = item as SalesPerson;
if (h == null)
{
Console.WriteLine($"Item is not SalesPerson");
}
else
{
Console.WriteLine($"{item} is SalesPerson");
}
}
Console.ReadLine();
}
private static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
var fred = new SalesPerson();
fred.Name = "Fred";
fred.Age = 45;
fred.SalesNumber = 50;
fred.DisplayStats();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
object frank = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
Hexagon hex;
try
{
hex = (Hexagon)frank;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
object[] things = new object[4];
things[0] = new Hexagon();
things[1] = false;
things[2] = new Manager();
things[3] = "Last thing";
foreach (object item in things)
{
Hexagon h = item as Hexagon;
if (h == null)
{
Console.WriteLine("Item is not a hexagon");
}
else
{
h.Draw();
}
}
Console.ReadLine();
}
static void Main(string[] args)
{
Manager chucky = new Manager("chucky", 50, 92, 10000, "586-15-4561", 900);
SalesPerson mike = new SalesPerson("mike", 23, 64, 20000, "123-56-4567", 31);
chucky.DisplayStats();
Console.WriteLine();
mike.DisplayStats();
CastingExamples();
Console.Read();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
// Error! Cannot create an abstract class!
//Employee X = new Employee();
// A better bonus system!
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
// ITSpecialist
ITSpecialist itsepc = new ITSpecialist()
{
Age = 31,
Education = "MSc in IT",
ID = 45,
Name = "Phil",
SocialSecurityNumber = "444-33-2222",
SpecialistKnowledge = ".NET",
Pay = 90000,
Benefits = new Employee.BenefitPackage()
};
Console.WriteLine("FedTax -> {0}", itsepc.getFedTax(90000));
Console.WriteLine("SSTax -> {0}", itsepc.getSsTax(125, 90000));
Console.WriteLine("\r\n");
// Secretary
Secretary sec = new Secretary()
{
Age = 23,
Education = "Gymi",
ID = 47,
Name = "Susy",
SocialSecurityNumber = "333-22-1111",
LanguageKnowledge = "French",
Pay = 45000,
Benefits = new Employee.BenefitPackage()
};
Console.WriteLine("FedTax -> {0}", sec.getFedTax(45000));
Console.WriteLine("HealthFee -> {0}", sec.getHealthFee(100, 45000));
CastingExamples();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("****** The Employee Class Hierarchy ******\n");
SalesPerson fred = new SalesPerson()
{
Age = 31, Name = "Fred", SalesNumber = 50, Pay = 6000
};
Manager chucky = new Manager("Chucky", 45, 1497, 102450, "1678-05-04", 9000);
double cost = chucky.GetBenefitCost();
Employee.BenefitPackage.BenefitPackageLevel myBenefitlevel = Employee.BenefitPackage.BenefitPackageLevel.Platinum;
chucky.DisplayStats();
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
fred.DisplayStats();
fred.GiveBonus(150);
fred.DisplayStats();
Console.WriteLine();
CastingExamples();
Hexagon hex;
object frank = new Manager();
try
{
hex = (Hexagon)frank;
}
catch (Exception e)
{
ConsoleColor prevCol = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(e.Message);
Console.ForegroundColor = prevCol;
}
TestAsKeyword();
Console.ReadLine();
}
static void Main(string[] args)
{
SalesPerson fred = new SalesPerson
{
Age = 31,
Name = "Fred",
ID = 2,
SalesNumber = 50
};
fred.DisplayStats();
Console.ReadKey();
}
public static void Main(string[] args)
{
Console.WriteLine("Hello World!");
SalesPerson fred = new SalesPerson("Brenda", 35, 287, 18000, "JN8276172A", 247);
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 10000, "333-23-2322", 9000);
double cost = chucky.GetBenefitCost();
Console.WriteLine("Benefits Cost:{0}", cost.ToString());
Employee.BenefitsPackage.BenefitPackageLevel myBenefitLevel = Employee.BenefitsPackage.BenefitPackageLevel.Platinum;
chucky.GiveBonus(300);
chucky.DisplayStats();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 30000, "832-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
object frank = new Manager("Frank Zappa", 9, 3000, 40000, "111-11-1111", 5);
Hexagon hex;
try { hex = (Hexagon)frank; }
catch (InvalidCastException ex)
{ Console.WriteLine(ex.Message); }
object[] things = new object[4];
things [0] = new Hexagon();
things [1] = false;
things [2] = new Manager();
things[3] = "Last Thing";
foreach (object item in things)
{
Hexagon h = item as Hexagon;
if (h == null)
{
Console.WriteLine("Item is not a Hexagon");
}
else
{
h.Draw();
}
}
CastingExamples();
}
static void Main(string[] args)
{
SalesPerson danny = new SalesPerson();
danny.Age = 31;
danny.Name = "Danny";
danny.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
double cost = chucky.GetBenefitCost();
chucky.DisplayStats();
Console.WriteLine("Benefícios: {0}", cost);
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel = Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.WriteLine("Level: {0}", myBenefitLevel);
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
try
{
PTSalesPerson ptSales = ((PTSalesPerson)danny);
}
catch (InvalidCastException ex)
{
Console.WriteLine(ex.Message);
}
PTSalesPerson ptCast = danny as PTSalesPerson;
if (ptCast == null)
{
Console.WriteLine("Sorry, danny is not PTSalesPerson");
}
Console.WriteLine(danny.ToString() + "&&" + danny.GetType());
Console.ReadLine();
}
static void Main(string[] args)
{
SalesPerson fred = new SalesPerson();
fred.Name = "Fred";
fred.Age = 31;
fred.SalesNumber = 50;
fred.DisplayStats();
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel = Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
//Random r = new Random();
//Console.WriteLine(r);
//Console.WriteLine(r.Next(500));
//SalesPerson m = new SalesPerson();
//Console.WriteLine();
// A better bonus system!
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
Console.WriteLine(chucky);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
ArrayObjectObjects();
Console.WriteLine();
// Ack! You can't cast frank to a Hexagon, but this compiles fine!
object frank = new Manager();
Hexagon hex;
try
{
hex = (Hexagon)frank;
}
catch (InvalidCastException ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine();
CastingExamples();
Console.ReadLine();
}
public static int Main(string[] args)
{
Console.WriteLine("These folks work at " + Employee.Company);
Console.WriteLine();
// Uncomment to test abstract base class.
// Employee e = new Employee();
Manager chucky = new Manager("Chucky", 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 93, 30000, "932-32-3232", 31);
fran.GiveBonus(201);
fran.DisplayStats();
// Casting!
// A Manager 'is-a' object.
object o = new Manager("Frank Zappa", 9, 40000, "111-11-1111", 5);
// A Manager 'is-a' Employee too.
Employee e = new Manager("MoonUnit Zappa", 2, 20000, "101-11-1321", 1);
// A PTSales dude(tte) is a Sales dude(tte)
SalesPerson sp = new PTSalesPerson("Jill", 834, 100000, "111-12-1119", 90);
FireThisPerson(e);
FireThisPerson(sp);
// Error! Must cast when moving from base to derived!
// FireThisPerson(o);
FireThisPerson((Employee)o);
// Numerical casts...
int x = 30000;
byte b = (byte)x; // Loss of information here…
return(0);
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
// Create a subclass object and access base class functionality.
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
double cost = chucky.GetBenefitCost();
// Create and use the public inner class. OK!
OuterClass.PublicInnerClass inner;
inner = new OuterClass.PublicInnerClass();
// Compiler Error! Cannot access the private class.
//OuterClass.PrivateInnerClass inner2;
//inner2 = new OuterClass.PrivateInnerClass();
// Define my benefit level.
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel = Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.WriteLine("BenefitPackageLevel: {0}", myBenefitLevel);
Console.WriteLine();
// Give each employee a bonus?
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
// Error! Cannot create an instance of an abstract class!
//Employee X = new Employee();
CastingExamples();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
// A better bonus system!
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
// use the nested class
chucky.Benefits.benefitPackageLevel = Employee.BenefitPackage.BenefitPackageLevel.Platinum;
// use the standalone class
chucky.empBenefits2.benefitPackageLevel = BenefitPackage.BenefitPackageLevel.Platinum;
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
ArrayOfArbitraryObjects(); // a weird test of casting
CastingExamples();
Console.WriteLine();
// Ack! You can't cast frank to a Hexagon, but this compiles fine!
object frank = new Manager();
Hexagon hex;
try
{
hex = (Hexagon)frank;
}
catch (InvalidCastException ex)
{
Console.WriteLine(ex.Message);
}
Console.ReadLine();
}
static void Main( string[] args )
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
// Give each employee a bonus?
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
CastingExamples();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("**** The Employee Class Hierarchy ****\n");
SalesPerson fred = new SalesPerson();
fred.p_empAge = 31;
fred.p_empName = "Fred";
fred.p_SalesNumber = 100;
// Assume Manager has a constructor matching this signature:
// ...
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
// Give each employee a bonus?
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
CastingExamples();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
// Error! Cannot create an abstract class!
//Employee X = new Employee();
// A better bonus system!
Manager chucky = new Manager("Chucky", 50, 92, 0, "333-23-2322", 0);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
CastingExamples();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy ****\n");
Manager chucky = new Manager("Cucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 300, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
// A Manager "is-a" System.Object, so we can
// store a Manager reference in an object variable just fine.
object frank = new Manager("Frank Zappa", 9, 3000, 40000, "123", 5);
GivePromotion((Manager)frank); // explicit casting, yay!
//A Manager "is-an" Employee too
Employee moonUnit = new Manager("MoonUnit Zappa", 2, 3001, 20000, "567", 1);
GivePromotion(moonUnit);
// A PTSalesPerson "is-a" SalesPerson
SalesPerson jill = new PTSalesPerson("Jill", 834, 30001, 123123, "123124", 90);
GivePromotion(jill);
// Use "as" to test compatability
/* Hexagon hex2 = frank as Hexagon;
* if (hex2 == null)
* Console.WriteLine("Sorry, frank is not a Hexagon...");
*/
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
// A better bonus system!
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
// Error! Cannot create an abstract class!
// Employee X = new Employee();
FunWithCasting();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.ReadLine();
}
// Create a subclass object and access base class functionality.
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierachy *****\n");
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
//Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
//chucky.GiveBonus(300);
//double cost = chucky.GetBenefitCost();
//chucky.DisplayStats();
//Console.WriteLine();
//SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
//fran.GiveBonus(200);
//fran.DisplayStats();
//Console.WriteLine();
// Define my benefit level.
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel = Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.WriteLine("My Benefit Level is {0}", myBenefitLevel);
Console.WriteLine();
// A better bonus system!
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
}
public static void Main(string[] args)
{
SalesPerson fred = new SalesPerson
{
Age = 31,
Name = "Fred",
SalesNumber = 50
};
// extending PtSalesPerson from SalesPerson
PtSalesPerson partTime1 = new PtSalesPerson
{
Name = "Hari",
Age = 31,
Id = 2342,
SalesNumber = 40,
Pay = 234.4F,
};
//Manager
Manager chucky = new Manager("Chucky", 50, 92, 1000000, "333-2332-s23", 9000);
double cost = chucky.GetBefitCost();
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson frank = new SalesPerson("Fran", 43, 93, 3000, "9333-32-3232", 31);
frank.GiveBonus(200);
frank.DisplayStats();
Console.WriteLine();
CastingExamples();
}
static void Main(string[] args)
{
//коментар
//коментар2
//Practice makes perfect
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333 - 32 - 3332", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932 - 22 - 6538", 31);
fran.GiveBonus(200);
fran.DisplayStats();
//Employee employee = new Employee(); - abstract class bans this action
Console.WriteLine();
object[] things = new object[4];
things[0] = new Hexagon();
things[1] = 3.4;
things[2] = new Manager();
things[3] = "Last thing";
foreach (object ob in things)
{
Hexagon h = ob as Hexagon;
if (h == null)
{
Console.WriteLine("Item is not a Hexagon");
}
else
{
h.Draw();
}
}
GivePromoution(chucky);
Console.ReadKey();
}
static void Main(string[] args)
{
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "3-33-11", 9000);
double cost = chucky.GetBenefitsCost();
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "3-22-22", 31);
fran.GiveBonus(200);
fran.DisplayStats();
OuterClass.PublicInnerClass inner = new OuterClass.PublicInnerClass(); //OK
//Employee e = new Employee(); ERROR, abstract class
Console.ReadLine();
}
static void Main(string[] args)
{
#region Uncomment to test abstract base class.
// Employee e = new Employee();
// Uncomment to test readonly field.
// Employee brenner = new Employee();
// brenner.SSNField = "666-66-6666";
#endregion
Console.WriteLine("***** These folks work at {0} *****",
Employee.Company);
Manager chucky = new Manager("Chucky", 35, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
chucky.Age++; // Happy birthday Chuck!
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 26, 93, 30000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
#region Casting examples
Console.WriteLine("***** Casting examples *****");
// A Manager 'is-a' object.
object frank = new Manager("Frank Zappa", 50, 9, 40000, "111-11-1111", 5);
// A Manager 'is-a' Employee too.
Employee moonUnit = new Manager("MoonUnit Zappa", 16, 2, 20000, "101-11-1321", 1);
// A PTSales dude(tte) is a Sales dude(tte)
SalesPerson jill = new PTSalesPerson("Jill", 30, 834, 100000, "111-12-1119", 90);
// Cast from the generic System.Object into a strongly
// typed Manager.
Console.WriteLine("***** Counting frank's stock options *****");
Manager mgr = (Manager)frank;
Console.WriteLine("Frank's options: {0}", mgr.NumbOpts);
Console.WriteLine("Frank's options: {0}",
((Manager)frank).NumbOpts);
Console.WriteLine("\n***** Firing employees using casting operations! *****");
TheMachine.FireThisPerson(moonUnit);
Console.WriteLine();
TheMachine.FireThisPerson(jill);
Console.WriteLine();
// Error! Must cast when moving from base to derived!
// TheMachine.FireThisPerson(frank);
TheMachine.FireThisPerson((Employee)frank);
Console.WriteLine();
#endregion
// Creating a (very) nested BenefitPackageLevel enum variable.
Employee.BenefitPackage.BenefitPackageLevel myBenifitLevel =
Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.ReadLine();
}
static void Main(string[] args)
{
// create a subclass object and access base class functionality
Console.WriteLine("***** This Employee class Hierarchy *****\n");
SalesPerson fred = new SalesPerson
{
Age = 31,
Name = "Fred",
SalesNumber = 50
};
// Nested Type Definitions
// Create and use the public inner class
// example: Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
double cost = chucky.GetBenefitCost(); // calling the BenefitPackage, a class instance within the employee class with its own property
PTSalesPerson pauly = new PTSalesPerson("Paul", 22, 298, 28_000, "444-99-4990", 1, "Fred");
// "Paul", 22, 298, 28_000, "444-99-4990", 1, "Fred" or "Chucky"
// display how things are going
Console.WriteLine($"\nSalesPerson *** {fred.GetName()} ***");
fred.DisplayStats();
Console.WriteLine($"\nManager *** {chucky.GetName()} ***");
chucky.DisplayStats();
Console.WriteLine($"\nPartTime SalesPerson *** {pauly.GetName()} ***");
pauly.DisplayStats();
Console.Write($"{pauly.GetName()} reports to:");
Console.Write($"{pauly.ManagerName()}\n\n");
// give a bonus
float bonusAmt = 2_500;
chucky.GiveBonus(bonusAmt);
Console.WriteLine("{0} got a bonus of {1:c}!", chucky.Name, bonusAmt);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
Console.WriteLine();
// give a promotion or two
GivePromotion(fran);
GivePromotion(pauly);
Keyword_AS_Example();
// temporarily showing Casting Examples method()
CastingExamples();
// the need for an abstract class:
// Employee emmy = new Employee("Emma", 34, 239, 47_000, "324-23-3434");
// emmy.DisplayStats();
// to avoid allowing instantiation of an employee with no assignment/job classification
// MUST remove keyword abstract from the Employee Class
// pause program executions before exit
Console.ReadLine();
}
// Create a subclass object and access base class functionality.
static void Main(string[] args)
{
Console.WriteLine("***** The Employee Class Hierarchy *****\n");
SalesPerson fred = new SalesPerson();
fred.Age = 31;
fred.Name = "Fred";
fred.SalesNumber = 50;
// Assume Manager has a constructor matching this signature:
// (string fullName, int age, int empID, float currPay, string ssn, int numbOfOpts)
Manager chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
Console.WriteLine(chucky.Name);
// Error! Can't access protected data from client code.
//Employee emp = new Employee();
//emp.empName = "Fred";
double cost = chucky.GetBenefitCost();
Console.WriteLine($"cost: {cost}");
// Define my benefit level.
Employee.BenefitPackage.BenefitPackageLevel myBenefitLevel =
Employee.BenefitPackage.BenefitPackageLevel.Platinum;
Console.WriteLine($"myBenefitLevel: {myBenefitLevel}");
// Give each employee a bonus?
// chucky = new Manager("Chucky", 50, 92, 100000, "333-23-2322", 9000);
chucky.GiveBonus(300);
chucky.DisplayStats();
Console.WriteLine();
SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31);
fran.GiveBonus(200);
fran.DisplayStats();
// Ack! You can't cast frank to a Hexagon, but this compiles fine!
// Catch a possible runtime exception which can be happened by invalid explicit type cast.
object frank = new Manager();
Hexagon hex;
try
{
hex = (Hexagon)frank;
}
catch (InvalidCastException ex)
{
Console.WriteLine(ex.Message);
}
// Use "as" to test compatability.
object[] things = new object[4];
things[0] = new Hexagon();
things[1] = false;
things[2] = new Manager();
things[3] = "Last thing";
foreach (object item in things)
{
Hexagon h = item as Hexagon;
if (h == null)
{
Console.WriteLine("Item is not a hexagon");
}
else
{
h.Draw();
}
}
Console.ReadLine();
}
