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 ...

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 ...

Java Foundation Classes (JFC) offer a rich selection of components for building smart and interactive graphical user interfaces (GUIs). You can display tabular data using the javax.swing.JTable class.