The use of readonly fields
/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy
Publisher: Sybex;
ISBN: 0782129110
*/
/*
Example6_3.cs illustrates the use of readonly fields
*/
// declare the Car class
class Car
{
// declare a readonly field
public readonly string make;
// declare a static readonly field
public static readonly int wheels = 4;
// define a constructor
public Car(string make)
{
System.Console.WriteLine("Creating a Car object");
this.make = make;
}
}
public class Example6_3
{
public static void Main()
{
System.Console.WriteLine("Car.wheels = " + Car.wheels);
// Car.wheels = 5; // causes compilation error
// create a Car object
Car myCar = new Car("Toyota");
System.Console.WriteLine("myCar.make = " + myCar.make);
// myCar.make = "Porsche"; // causes compilation error
}
}
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