Check edmodo.com for
Classwork:
Balloon.java and Tester

Homework:
CashRegister.java and Tester

If you are looking ahead (IYALA):

Use these libraries, download StdIn.java, StdOut.java, StdDraw.java, and StdAudio.java
Look at Standard output and input.
Redirection and piping.
Standard drawing.
Standard audio.
Graphical user interfaces.
Look at exercises 11 through 16 and work on exercise 17. Submit it to edmodo.com.
Look at exercise 18 and write a program YI_TriTess.java to draw the image below. Submit it to edmodo.com.