sir actually i wana check that the barcode i have generated are valid or not... i dont have barcode reader and i just want a simulation of that.

hi babe.
if you wana read just a string the simple approach is by using "JOptionPane" dialogs import javax.swing.*;
and where ever you need to get string from user try this syntex
String str =...

hi....
i do have knowledge about java. i am delivering lectures in local college. if you need help you can contect me @
m_salman786@hotmail.com
with a subject of "Java Help Needed"

hi ..........
how can i simulate the barcodes without a barcode reader.