coinjar.txt

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public class USCoinJar
{
    const double VOLUME = 32.000; //All units are Fl.Oz (Fluid Ounce)
    double FilledVolume = 0.0;
    double FilledAmount = 0.0;
    int CoinCount = 0;
 
    public void Reset(bool bResetCoinage = true)
    {
        FilledVolume = 0.0;
        if (bResetCoinage)
        {
            CoinCount = 0;
            FilledAmount = 0.0;
        }
    }
 
    public double AddCoin(ICoin coin) //See ICoin definition below.
    {
        if ((FilledVolume + coin.GetVolumeFlOz()) > VOLUME)
            throw new Exception("Jar is filled!");
        FilledVolume += coin.GetVolumeFlOz();
        FilledAmount += coin.Worth;
        CoinCount++;
        return FilledVolume;
    }
 
    public double GetAmount()
    {
        return Math.Round(FilledAmount,4);
    }
 
    public double GetVolume()
    {
        return Math.Round(FilledVolume,4);
    }
 
}
 
//Coin Specifications: http://www.usmint.gov/about_the_mint/?action=coin_specifications
public interface ICoin
{
    //in mm
    double Diameter
    {
        get;
    }
    //in mm
    double Thickness
    {
        get;
    }
 
    //in mm
    double GetVolume();
    //in Fl.Oz
    double GetVolumeFlOz();
 
    //in Dollar $
    double Worth
    {
        get;
    }
}
 
namespace USCoinage
{
    public abstract class ACent : ICoin
    {
        public abstract double Diameter { get; }
        public abstract double Thickness{ get; }
        public abstract double Worth { get; }
 
        //in mm [Area(PI*R*R)*Thickness]
        public double GetVolume()
        {
            return (Math.PI * (Diameter / 2) * (Diameter / 2)) * Thickness;
        }
 
        //in Fl.Oz (Fluid Ounce) - 1 cm = 0.000034 fl oz
        public double GetVolumeFlOz()
        {
            return Math.Round((GetVolume() * 0.000034),3);
        }
    }
 
    public class Cent : ACent
    {
        public override double Diameter
        {
            get { return 19.05; }
        }
 
        public override double Thickness
        {
            get { return 1.55; }
        }
 
        public override double Worth
        {
            get { return 0.01; }
        }
    }
 
    public class Nickel : ACent
    {
        public override double Diameter
        {
            get { return 21.21; }
        }
 
        public override double Thickness
        {
            get { return 1.95; }
        }
 
        public override double Worth
        {
            get { return 0.05; }
        }
    }
 
    public class Dime : ACent
    {
        public override double Diameter
        {
            get { return 17.91; }
        }
 
        public override double Thickness
        {
            get { return 1.35; }
        }
 
        public override double Worth
        {
            get { return 0.1; }
        }
    }
 
    public class QuarterDollar : ACent
    {
        public override double Diameter
        {
            get { return 24.26; }
        }
 
        public override double Thickness
        {
            get { return 1.75; }
        }
 
        public override double Worth
        {
            get { return 0.25; }
        }
    }
 
    public class HalfDollar : ACent
    {
        public override double Diameter
        {
            get { return 30.61; }
        }
 
        public override double Thickness
        {
            get { return 2.15; }
        }
 
        public override double Worth
        {
            get { return 0.5; }
        }
    }
 
    public class Presidential : ACent
    {
        public override double Diameter
        {
            get { return 26.49; }
        }
 
        public override double Thickness
        {
            get { return 2.00; }
        }
 
        public override double Worth
        {
            get { return 1.0; }
        }
    }
 
    public class NativeAmerican : ACent
    {
        public override double Diameter
        {
            get { return 26.49; }
        }
 
        public override double Thickness
        {
            get { return 2.00; }
        }
 
        public override double Worth
        {
            get { return 1.0; }
        }
    }
}