How to install JDK 1.4 on FreeBSD 5.4

[madrus at bobcpp.co.id]

Sorry, i am newbie in Java FreeBSD,
I don't understand how to install JDK 1.4 on FreeBSD 5.4,
any body can help me ??? i try to install like Linux Installation
but for Serial Communication still problem.
Error message like this:
-------------------------------
Exception in thread "main" java.lang.UnsatisfiedLinkError: deviceOpen
        at org.freebsd.io.comm.FreebsdSerial.deviceOpen(Native Method)
        at org.freebsd.io.comm.FreebsdSerial.<init>(FreebsdSerial.java:115)
        at org.freebsd.io.comm.FreebsdDriver.getCommPort
(FreebsdDriver.java:111)
        at javax.comm.CommPortIdentifier.open(CommPortIdentifier.java:627)
        at SerialModule.initConnection(SerialModule.java:86)
        at SerialThread.<init>(SerialThread.java:23)
        at GSerialPro.main(GSerialPro.java:35)
--------------------------------
Thanks before.

Said Madrus
Java FreeBSD Newbie