New to Java, Need Help!

Jul 12 2011 5:38 AM

hello friends, I am a java beginner. I have installed JDK 1.6 successfully. But I am unable to run any program because of this error:

E:\Java>javac helloworld.java
'javac' is not recognized as an internal or external command, operable program or batch file.

Please reply ASAP .....