QRcode by Java

* QR code class libarary

http://www.swetake.com/qr/java/qr_java.html

- sample code

http://www.sangyo-rock.com/tech/index.php?QR%A5%B3%A1%BC%A5%C9%B4%D8%CF%A2

http://m97087yh.seesaa.net/article/109050013.html

http://www.in-vitro.jp/blog/index.cgi/Library/20080619_01.htm

* QR code for Java

http://tk-factory.net/wordpress/?p=1711

* QR code open source library

http://qrcode.sourceforge.jp/

* Google Zxing - java QR code reader library

* Pao barcode (paid-for)