import java.text.DecimalFormat;
import javax.swing.JFormattedTextField;
public class Main {
public static void main(String[] argv) throws Exception {
JFormattedTextField tft2 = new JFormattedTextField(new DecimalFormat("#.0"));
tft2.setValue(new Float(123.4F));
// Retrieve the value from the text field
Float floatValue = (Float) tft2.getValue();
}
}