button.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
JOptionPane.showMessageDialog(null,"对话框文本","对话框标题",JOptionPane.INFORMATION_MESSAGE);
}
});
public void actionPerformed(ActionEvent e)
{
JOptionPane.showMessageDialog(null,"对话框文本","对话框标题",JOptionPane.INFORMATION_MESSAGE);
}
});
解决方案 »
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