using System;

public class Die {
  private int numberOfEyes;
  private Random randomNumberSupplier; 
  private readonly int maxNumberOfEyes;

  public Die (): this(6){}  

  public Die (int maxNumberOfEyes){
    randomNumberSupplier = 
      new Random(unchecked((int)DateTime.Now.Ticks));
    this.maxNumberOfEyes = maxNumberOfEyes;
    numberOfEyes = NewTossHowManyEyes();
  }   
    
  public void Toss (){
    numberOfEyes = NewTossHowManyEyes();
  }

  private int NewTossHowManyEyes (){
    return randomNumberSupplier.Next(1,maxNumberOfEyes + 1);
  }

  public int NumberOfEyes() {
    return numberOfEyes;
  }

  public override String ToString(){
    return String.Format("Die[{0}]: {1}", maxNumberOfEyes, numberOfEyes);
  }
}

 
 
 
 
 
 
 
This parameterless constructor makes a six eyed
die. 
This is a general constructor which makes a die
with a number of eyes determined by the parameter.