| using System;
public class Die {
private int numberOfEyes;
private Random randomNumberSupplier;
private int maxNumberOfEyes;
private static Die uniqueInstance = null;
private Die (){
randomNumberSupplier = new Random(unchecked((int)DateTime.Now.Ticks));
this.maxNumberOfEyes = 6;
this.Toss();
}
public static Die Instance(){
if (uniqueInstance == null)
uniqueInstance = new Die();
return uniqueInstance;
}
public void Toss (){
numberOfEyes = randomNumberSupplier.Next(1,maxNumberOfEyes + 1);
}
public int NumberOfEyes() {
return numberOfEyes;
}
public override String ToString(){
return String.Format("Die[{0}]: {1}", maxNumberOfEyes, numberOfEyes);
}
} |