import javax.swing.JFormattedTextField;
import javax.swing.text.MaskFormatter;
public class Main {
public static void main(String[] argv) throws Exception{
MaskFormatter fmt = new MaskFormatter("###-###-####");
JFormattedTextField tft1 = new JFormattedTextField(fmt);
fmt = new MaskFormatter("###-##-####");
JFormattedTextField tft2 = new JFormattedTextField(fmt);
}
}
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