using System;

using System.Collections;

​

​

​

​

public class Temperature : IComparable 

{

    // The temperature value

    protected double temperatureF;

​

    public int CompareTo(object obj) {

        if (obj == null) return 1;

        Temperature otherTemperature = obj as Temperature;

        if (otherTemperature != null) 

            return this.temperatureF.CompareTo(otherTemperature.temperatureF);

        else

           throw new ArgumentException("Object is not a Temperature");

    }

​

    public double Fahrenheit 

    {

        get 

        {

            return this.temperatureF;

        }

        set {

            this.temperatureF = value;

        }

    }

​

    public double Celsius 

    {

        get 

        {

            return (this.temperatureF - 32) * (5.0/9);

        }

        set 

        {

            this.temperatureF = (value * 9.0/5) + 32;

        }

    }

}

​

public class CompareTemperatures

{

   public static void Main()

   {

      ArrayList temperatures = new ArrayList();

      // Initialize random number generator.

      Random rnd = new Random();

      // Generate 10 temperatures between 0 and 100 randomly.

      temperatures.Add(3);

temperatures.Add(4)

​

​

      // Sort ArrayList.

      temperatures.Sort();

      foreach (Temperature temp in temperatures)

         Console.WriteLine(temp.Fahrenheit);

   }

}

// The example displays the following output to the console (individual

// values may vary because they are randomly generated):

//       2

//       7

//       16

//       17

//       31

//       37

//       58

//       66

//       72

//       95