Chapter 11, Problem 4AW

Explanation of Solution

Example code:

The following code creates the Sound class which is derived from Wave class:

//Define the base class

class Wave

{

    //Declare the virtual property

    public virtual double Frequency

    {

        //Declare methods

        get;

        set;

    }

}

/*Define the derived class "Sound" from base class "Wave". */

class Sound : Wave

{

    //Declare the field

    private double _Freq;

    //Define the overriding property

    public override double Frequency

    {

        //Define the get method

        get

     �...