BT1.addActionListener(new listener());
class listener implements ActionListener{
public void actionPerformed(ActionEvent e){if(TF1.getText()==null){
...........
}if((TF2.getText()).length()){
...........
}
}
}
class listener implements ActionListener{
public void actionPerformed(ActionEvent e){if(TF1.getText()==null){
...........
}if((TF2.getText()).length()){
...........
}
}
}
解决方案 »
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