Rectangle virtualBounds = new Rectangle();
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice[] gs = ge.getScreenDevices();
JFrame frame[][] = new JFrame[gs.length][];
for (int j = 0; j < gs.length; j++) {
GraphicsDevice gd = gs[j];
System.out.println("Device " + j + ": " + gd);
GraphicsConfiguration[] gc = gd.getConfigurations();
frame[j] = new JFrame[gc.length];
for (int i=0; i < gc.length; i++) {
System.out.println(" Configuration " + i + ": " + gc[i]);
System.out.println(" Bounds: " + gc[i].getBounds());
virtualBounds = virtualBounds.union(gc[i].getBounds());
frame[j][i] = new JFrame("Config: " + i, gc[i]);
frame[j][i].setBounds(50, 50, 400, 100);
frame[j][i].setLocation(
(int)gc[i].getBounds().getX() + 50,
(int)gc[i].getBounds().getY() + 50);
frame[j][i].getContentPane().add(new JTextArea("Config:\n" + gc[i]));
frame[j][i].setVisible(true);
}
System.out.println("Overall bounds: " + virtualBounds);
}
