Just installed jdk 1.2.2 Now what?

Hi I have just reinstalled jdk 1.2.2 after completely wiping my hard drive and it seemes to have put all the files in the right place.
But how do i now get the java and javac commands to work?
What do i click on. I tried the command executable file and it says:
Bad command or file name
so I presume it doesnt recognise the commands.
Please Help!

First set the path in the command by typing path=c<or the drive>:\<installed jdk directory>\bin. Then type javac or java and if some options came as a reply it means its working.

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