I'm creating a register system for students using files, while I use the program the auto increment works fine, but when I ruin it again, the autoincremnt returns 1, also I am not allowed to use MySQ...

I have a question. I couldn't solve it for 4 days. I'm making a stopwatch using gui swing in Java. There are 1 jframe and 1 jdialog. I used threads in Jframe. It has a start stop and reset button, it ...

I have a strange problem: From a MenuBar I (or the user) can call two actions. One does importing some data, the other deletes some data. Both are presented through a JDialog. Now the weird thing is t...

I created a simple jFrame with a jDialog, in this jDialog I have textfield just to get an ID, them, with this ID, use a webservice to search for the information and them show the information in the jF...