How to run Java class application on mac

Hi to all !
I usually develop java applications on PC which are started by typing java >classname< into DOS-console.
Now one application has to be run on MAC OS 9.2 which shurely hasn�t that console. So how can I start it there ?
Thanx in advance
Alex

They have mrj you need to install it, and to launch an application or an applet, you have no console.

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