в 15:31, 26 мая 2010

2010-05-26T15:31:18Z

Admin: 1 версия

2010-05-26T11:38:56Z

1 версия

Новая страница

==Illustrates sealed methods==

<source lang="csharp">
/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy
Publisher: Sybex;
ISBN: 0782129110
*/
/*
Example7_10.cs illustrates sealed methods
*/
using System;

// declare the MotorVehicle class
class MotorVehicle
{
// declare the fields
public string make;
public string model;
// define a constructor
public MotorVehicle(string make, string model)
{
this.make = make;
this.model = model;
}
// define the Accelerate() method
public virtual void Accelerate()
{
Console.WriteLine("In MotorVehicle Accelerate() method");
Console.WriteLine(model + " accelerating");
}
}

// declare the Car class (derived from MotorVehicle)
class Car : MotorVehicle
{
// define a constructor
public Car(string make, string model) :
base(make, model)
{
// do nothing
}
// override the Accelerate() method (sealed)
sealed public override void Accelerate()
{
Console.WriteLine("In Car Accelerate() method");
Console.WriteLine(model + " accelerating");
}
}

public class Example7_10
{
public static void Main()
{
// create a Car object
Console.WriteLine("Creating a Car object");
Car myCar = new Car("Toyota", "MR2");
// call the Car object"s Accelerate() method
Console.WriteLine("Calling myCar.Accelerate()");
myCar.Accelerate();
}
}

</source>

==Sealed Methods==

<source lang="csharp">
using System;

public class Name {
public string firstName;
public string lastName;

public Name(string firstName, string lastName) {
this.firstName = firstName;
this.lastName = lastName;
}

public virtual void Accelerate() {
Console.WriteLine("In Name Accelerate() method");
Console.WriteLine(lastName + " accelerating");
}
}

public class MyName : Name {
public MyName(string firstName, string lastName) : base(firstName, lastName) {
}

sealed public override void Accelerate() {
Console.WriteLine("In MyName Accelerate() method");
Console.WriteLine(lastName + " accelerating");
}
}

class Test{
public static void Main() {
Console.WriteLine("Creating a MyName object");
MyName myMyName = new MyName("Toyota", "MR2");

// call the MyName object"s Accelerate() method
Console.WriteLine("Calling myMyName.Accelerate()");
myMyName.Accelerate();
}
}

</source>

← Предыдущая	Версия 15:31, 26 мая 2010
(нет различий)

Csharp/C Sharp/Class Interface/Sealed - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия