Chapter 8, Problem 6PE

a.

Explanation of Solution

Program:

File name: “Salesperson.java”

//Define a class named Salesperson

public class Salesperson

{

    //Declare the private variables

    private int id;

    private double sales;

    /*Define a method Salesperson that includes

    an integer ID number and a double annual sales amount*/

    Salesperson(int idNum, double amt)

    {

        //Assign the values

        id = idNum;

        sales = amt;

    }

    //Define a method to display the id

    public int getId()

    {

        //Return the value

        return id;

    }

    //Define a method to display the annual sales amount

    public double getSales()

    {

        //Return the value

        return sales;

    }

    //Define a method to set the id

    public void setId(int idNum)

    {

        //Assign the value

        id = idNum;

    }

    //Define a method to set the annual sales amount

    public void setSales(double amt)

    {

        //Assign the value

        sales = amt;

    }

}

File name: “DemoSalesperson...

b.

Explanation of Solution

Program:

File name: “Salesperson.java”

//Define a class named Salesperson

public class Salesperson

{

    //Declare the private variables

    private int id;

    private double sales;

    /*Define a method Salesperson that includes

    an integer ID number and a double annual sales amount*/

    Salesperson(int idNum, double amt)

    {

        //Assign the values

        id = idNum;

        sales = amt;

    }

    //Define a method to display the id

    public int getId()

    {

        //Return the value

        return id;

    }

    //Define a method to display the annual sales amount

    public double getSales()

    {

        //Return the value

        return sales;

    }

    //Define a method to set the id

    public void setId(int idNum)

    {

        //Assign the value

        id = idNum;

    }

    //Define a method to set the annual sales amount

    public void setSales(double amt)

    {

        //Assign the value

        sales = amt;

    }

}

File name: “DemoSalesperson2...