A JTable is a control you add to a Java application to display lists of data. NetBeans is a visual designer that helps programmers design the desktop forms that display on the user's desktop. You use ...
The idea is to have a context menu on the table header so that the user can select which columns to display. That is, without affecting the table model at all. As it is now, it's usable but could use ...
I experimentally made To Do List, using Java GUI Swing, especially JTable. The JTable of this program has 2 rows: the first row is checkboxes and the other is to-do things.