Fix the integer part in a decimal numer

Question

i copy the following code from this forum
import java.awt.*;
import java.text.*;
import javax.swing.*;
import javax.swing.text.*;
public class Decimal1
  public static void main(String[] args)
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(200,130);
    f.setLocation(400,300);
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    f.getContentPane().add(panel);
    DecimalFormat df = new DecimalFormat("0.00");   
    NumberFormatter nfr= new NumberFormatter(df);
    nfr.setAllowsInvalid(false);
    JFormattedTextField ftf = new JFormattedTextField(nfr);
    JLabel lFtf = new JLabel("JFormattedTextField");
    JLabel lTf = new JLabel("JTextField");
    JTextField tf = new JTextField(8);
    panel.add(lFtf);
    panel.add(ftf);
    panel.add(lTf);
    panel.add(tf);
    f.setVisible(true);
}i want the user to input the price (the format "99999.99", the integer part is less than 5 digits. the decimal part is fixed to 2 digits)
for example 56.45, 0.67 12345.99 , 88888.12 are accepted.
if the integer part is more than 5 is not allowed.
for example 123456.45, 651433.44
i try it with Document, buy it cannot work together.
how can i to solve it?
thank you!

Answer 1

You might want to start looking at [url http://forum.java.sun.com/thread.jspa?threadID=5164412&messageID=9629730#9629730]the threads you've previously started on the topic.