iconize into tray bar

i asked this question twice and in one of them i got the answer it can be solved by native methods but i am new at java i even dont know what is native code claerly so how can i iconize an application into the tray bar

(the bar at which the clock works)

i am using win98

explanations with small examples will be very helpfull

thank you for your attention

[392 byte] By [98028140] at [2007-9-26 1:39:42]