CS 152 Homework #6  REMEMBER, THIS HOMEWORK IS WORTH 10 POINTS!


Problem 1. Cell Solutions, a cell phone provider, cells the following packages:

	300 minutes per month -- $45.00
	800 minutes per month -- $65.00
	1500 minutes per month -- $99.00

The provider also cells the following phones:

	Model 100 -- $59.95
	Model 200 -- $79.95
	Model 300 -- $99.95

Customers may also select the following options:

	Voice mail -- extra $5.00 per month
	Text messaging -- extra $10.00 per month
	E-mail -- extra $20.00 per month
	All 3 extra services combined -- $27.95 per month

Write a GUI application that displays a menu that allows the user to select one
package, one phone, and any of the desired options. As the user selects items from
the menu, the program should show the prices of the items selected.


Problem 2.  Write a class to represent  a month of the year. Write exception classes
for the following error conditions:

	The entered month's number is less than 1 or greater than 12. Call it
        InvalidMonthNumber.

        Invalid string value entered for the month's name. Call it InvalidMonthName.

Have the month class throw the appropriate exception when either of these errors occur.
Write an application to demonstrate the use of this class.


Problem 3. Write an recursive application that searches for a speciafied word, target, 
in a list of words, sentence. Your program should be able to carry the following 
example dialog with the user.

        Program:    Enter a sentence --

	User:       What a buitiful day. I love warm wheather.

	Program:    Which word you want me to look for?

	User:       warm

	Program:    warm found. Do you want me to search for something else?

	User:       Monday

	Program:    Monday not found. Do you want me to search for something else?

	User:       No

	Program:    Thank you. All done.