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public static void main(String[] args) {
JTable t = new JTable(5, 5);
JComponent j = (JComponent) t.getCellEditor(0, 0)
.getTableCellEditorComponent(t, null, false, 0, 0);
j.addMouseListener(new MouseListener() {
public void mouseClicked(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
System.out.println(111);
}
public void mouseExited(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
});
JFrame f = new JFrame();
f.getContentPane().add(t);
f.setSize(400, 400);
f.setVisible(true);
}