关于JCheckBoxMenuItem

Question

在main里面，最开始
    try {
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    }
    catch(Exception e) {
      e.printStackTrace();
    }
就行了.

Answer 1

jCheckBoxMenuItem2.addActionListener(new ActionListener()
{
  public void actionPerformed(ActionEvent e)
  {
    if(jCheckBoxMenuItem2.isSelected() == true)
    {
       jCheckBoxMenuItem1.setVisible(true);
    }
    else
    {
       jCheckBoxMenuItem1.setVisible(false);
    }
  }
}