WidgetUtils.addToGridBag(new JLabel("Used memory:"), panel, 0, 2);
WidgetUtils.addToGridBag(usedMemoryLabel, panel, 1, 2);
WidgetUtils.addToGridBag(new JLabel("Free memory:"), panel, 0, 3);
WidgetUtils.addToGridBag(freeMemoryLabel, panel, 1, 3);
_updateMemoryTimer = new Timer(1000, new ActionListener() {
private final Runtime runtime = Runtime.getRuntime();
private final NumberFormat nf = NumberFormat.getIntegerInstance();
@Override
public void actionPerformed(ActionEvent e) {