installation problem

hi,

i have installed j2sdk1.4.2_09.but in my command prompt when i write java it is showing message "java is not recognised as internal or external command .
please help me how to get out of this problem, because earlier it was working due to some reason i have removed and installed it again thats why it is not working .Some body help me to work out for this problem.

I've moved your thread to a different location, because you've post it in a wrong place.

After installation did you set the classpath?

Setting the class path

The above links explain a lot about the classpath setting. Read it and give a try, if you stuck on anything let me know.

hi,
thanks .yeah now its working.

You are welcome. :)

So please mark the thread solved, from tools menu. That will help a lot for others.