patterns/singleton/random-supplier/die.cs - A Die class that uses singleton Random.

Lecture 4 - slide 26 : 29 Program 2

using System;

public class Die {
  private int numberOfEyes;
  private Random randomNumberSupplier; 
  private const int maxNumberOfEyes = 6;

  public Die(){
    randomNumberSupplier = Random.Instance();
    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("[{0}]", numberOfEyes);
  }
}