Create a class SongCard that represents a gift card for the purchase of songs online.

It should have the following private attributes:
• songs—the number of songs on the card
• activated—true if the card has been activated
and the following methods:
• SongCard(n)—a constructor for a card with n songs.
• activate()—activates the gift card. Throws an exception if the card has already been activated.
• buyASong()—records the purchase of one song by decreasing the number of songs left for purchase using this card. Throws an exception if the gift card is either completely used or not active.
• songsRemaining()—returns the number of songs that can be purchased using the gift card.


See the code in SongCard.java, CardNotActivatedException.java,CardEmptyException.java.

Computer Science & Information Technology

You might also like to view...

________ are created for primitive processes on a data flow diagram.

A) Process specifications B) Process diagrams C) Process databases D) Production specifications

Computer Science & Information Technology

________ software has been loaded onto your computer when you buy it

Fill in the blank(s) with correct word

Computer Science & Information Technology

A(n) ________, the computerized equivalent of a ledger, contains rows and columns of data

Fill in the blank(s) with correct word

Computer Science & Information Technology

Draw an analogy between cache memory and a home refrigerator.

What will be an ideal response?

Computer Science & Information Technology