jp1.add(appStartButton);
jp1.add(appStopButton);
jp1.add(restartButton);
jp1.add(refreshButton);
con.add(jp1, BorderLayout.NORTH);
table = new AppTable(this);
scrollpane = new JScrollPane(table);
scrollpane.setPreferredSize(new Dimension(500, 400));
con.add(scrollpane, BorderLayout.CENTER);
sysConfigButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {