Exemplo n.º 1
0
 public void actionPerformed(ActionEvent e) {
   result = ButtonDemo.getResult();
   addNumber = ButtonDemo.isAddNumber();
   if (!addNumber) result.setText("");
   display = result.getText();
   result.setText(display + "0");
   ButtonDemo.setResult(result);
   ButtonDemo.setAddNumber(true);
   ButtonDemo.setAddZero(false);
 }