Java Serial Port Generator I HAV A MAGNETIC CARD READER CONNECTED 2 SERIAL PORT HYPER TERMINAL.HOW CAN I READ D TEXT DAT IT READS,IN JAVA

I HAV A MAGNETIC CARD READER CONNECTED 2 SERIAL PORT HYPER TERMINAL.HOW CAN I READ d TEXT DAT IT READS,IN JAVA - java serial port generator

Are you sure I do not mean a card reader for media?