KeepAutomation Java Barcode is a Java barcode generator, which supports most common linear and 2D barcode types, and helps Java developers quickly and easily add barcode generation functionality to iReport applications.

       [Java Barcode Info]      [Download Java barcode free evaluation package]

1. Add barcode.jar to your report classpath.
   
   Goto menu "Tools" > "Options" > "classpath" tab.
   
   
2. Add an image item to the report
   
   
3. Close the form to ask you select an image file.
   
   
4. Set image properties
   
   Set "Expression Class" to "net.sf.jasperreports.engine.JRRenderable";
   
   Set "Image Expression" to "new com.keepautomation.barcode.jasper.BarcodeRenderer(com.keepautomation.barcode.jasper.BarcodeFactory.
   createLinear(3, "123456789"))";
   
   
5. You can insert a Code 39 barcode into your report
   
   
6. If barcode value is getting from database, define your data field, and replace the barcode value "123456789" with $F{DataFieldName}.