This week I got the Bank Project ATM GUI fully operational; flow was a big issue there and I also learned that the StringBuilder doesn't behave quite the way I expected it to, so I used Strings for the output area and text field instead.  (I thought I could delete existing text and then rebuild it, say to use the calculator input for different variables, like customer ID and amount - but the String class ended up being the better option.  It would work the way I expected it to until one customer finished using the ATM and the next one started; it was even OK for multiple transactions for the same customer but wouldn't reset correctly.  There may be a way to use StringBuilder that way, but I tried lots of things and nothing seemed to work).

 On a Linux host the web root directory, that is the directory where all the html files are stored, is located in /var/www

There are times when you may wish to change this location, or at least there have been times when I have found it necessary.  As with many other applications on Linux or Unix achieving your desired modification is as simple as editing an ASCII file.  The problem is always which one to edit and how.  Here is how I was able to accomplish the goal of changing web root from /var/www to /var/www/foo

Worked on GUI event-handling lab exercises all week:  a simple one for a chat room and a more complex one for an ATM for the ongoing Bank project (each lab exercise adds something to the Bank project using material that was covered in the most recent section of the tutorial).

I finished the second lab exercise creating GUI's, then went on to learn about event-handling.  Next week I'll add listeners and event-handling classes and methods to the GUI's I created in the last lab exercises.  Then I'll finish up the GUI section; the only section left after that is on threads and networking.