This is an example of the Data Matrix Java Font Encoder.

AOCLDPGLGNCLGJCIEODK
AJPNAFPKKHLCJGOCDIMK
AMBGKNNCNLEOKGOOPNCK
AMJDHDOHOOGEDOBMLIIK
AOCECACOAEAOOECGAKEK


The above code will create a Data Matrix symbol when printed with the Data Matrix font.