Java 6 Illuminated: An Active Learning Approach, 2nd Edition

796 CHAPTER 11 Exceptions and Input/Output Operations

When you call animate, the window will display the current

transaction graphically. It will also display the transaction

amount (red if negative, blue if positive) and the current check-

book balance (in black). By adding the previous checkbook bal-

ance to the current transaction amount, you will be able to

compute the current checkbook balance and check that your pro-

gram is correct.

■

Stop reading from the file when you reach the end of the file. You

will need to set up a catch block to handle the EOFException that

occurs when the end of the file is reached.

■

Display the ending balance in a dialog ...