Jcreater How To Give Path In Jdk 6 Update 11 For Jcreater(IDE)?

How to give path in jdk 6 update 11 for Jcreater(IDE)? - jcreater

I installed the JDK 6 Update 11 and run Jcreater Java programs, but the thing that I do not know how they can give way in the environment and how and why? What is the significance of the road means that we must give in?