[英]Justify text inside JOptionPane
You may get it working with following code: 您可以通过以下代码使用它:
String message = "<html><body><div width='100px' align='center'>Código incorreto<br>Por favor verifique</div></body></html>";
JLabel messageLabel = new JLabel(message);
JOptionPane.showConfirmDialog(null, messageLabel, "Atenção", JOptionPane.DEFAULT_OPTION);
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