Java tutorial
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(); } }