Jtable中可不可以添加JButton,该怎么处理

import java.awt.BorderLayout;import java.awt.Component;import java.awt.Dimension;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JOptionPane;import javax.swing.JScrollPane;import javax.swing.JTable;import javax.swing.UIManager;import javax.swing.table.AbstractTableModel;import javax.swing.table.TableCellRenderer;public class ButtonExample {    public static void main(String[] args) {        final ButtonExample example = new ButtonExample();        javax.swing.SwingUtilities.invokeLater(new Runnable() {            public void run() {                example.createAndShowGUI();            }        });    }        private void createAndShowGUI() {        JFrame frame = new JFrame("Button Example");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                JTable table = new JTable(new JTableModel());         JScrollPane scrollPane = new JScrollPane(table);        table.setFillsViewportHeight(true);                    TableCellRenderer buttonRenderer = new JTableButtonRenderer();        table.getColumn("Button1").setCellRenderer(buttonRenderer);        table.getColumn("Button2").setCellRenderer(buttonRenderer);        table.addMouseListener(new JTableButtonMouseListener(table));                frame.getContentPane().add(scrollPane, BorderLayout.CENTER);        frame.getContentPane().setPreferredSize(new Dimension(500, 200));        frame.pack();        frame.setVisible(true);    }        public static class JTableModel extends AbstractTableModel {        private static final long serialVersionUID = 1L;        private static final String[] COLUMN_NAMES = new String[] {"Id", "Stuff", "Button1", "Button2"};        private static final Class<?>[] COLUMN_TYPES = new Class<?>[] {Integer.class, String.class, JButton.class,  JButton.class};                @Override public int getColumnCount() {            return COLUMN_NAMES.length;        }        @Override public int getRowCount() {            return 4;        }                @Override public String getColumnName(int columnIndex) {            return COLUMN_NAMES[columnIndex];        }                @Override public Class<?> getColumnClass(int columnIndex) {            return COLUMN_TYPES[columnIndex];        }        @Override public Object getValueAt(final int rowIndex, final int columnIndex) {            switch (columnIndex) {                case 0: return rowIndex;                case 1: return "Text for "+rowIndex;                case 2: // fall through                case 3: final JButton button = new JButton(COLUMN_NAMES[columnIndex]);                        button.addActionListener(new ActionListener() {                            public void actionPerformed(ActionEvent arg0) {                                JOptionPane.showMessageDialog(JOptionPane.getFrameForComponent(button),                                         "Button clicked for row "+rowIndex);                            }                        });                        return button;                default: return "Error";            }        }        }    private static class JTableButtonRenderer implements TableCellRenderer {                @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {            JButton button = (JButton)value;            if (isSelected) {                button.setForeground(table.getSelectionForeground());                button.setBackground(table.getSelectionBackground());            } else {                button.setForeground(table.getForeground());                button.setBackground(UIManager.getColor("Button.background"));            }            return button;            }    }        private static class JTableButtonMouseListener extends MouseAdapter {        private final JTable table;                public JTableButtonMouseListener(JTable table) {            this.table = table;        }        public void mouseClicked(MouseEvent e) {            int column = table.getColumnModel().getColumnIndexAtX(e.getX());            int row    = e.getY()/table.getRowHeight();             if (row < table.getRowCount() && row >= 0 && column < table.getColumnCount() && column >= 0) {                Object value = table.getValueAt(row, column);                if (value instanceof JButton) {                    ((JButton)value).doClick();                }            }        }    }}