How do I open a JInternalFrame centered in a JDesktopPane?

Question

I am adding a bunch of JInternalFrames into a JDesktopPane, as the user selects to open various features through the menus. But I would like the in

Answer 1

Add this void

public void addCentered(Component jif) {        
    desktopPane.add(jif);
    jif.setLocation((desktopPane.getWidth()-jif.getWidth())/2, (desktopPane.getHeight()-jif.getHeight())/2);
    jif.setVisible(true);
}

and when adding the jInternalFrame call:

addCentered(jifName);