Nikolay sir in pc my java program not run in command prompt what i will do it show javac not recognized i can't understand

Question

helppppppp

Answer 1

Hope this helps:
http://docs.oracle.com/javase/8/docs/technotes/guides/install/windows_jdk_install.html
Scroll down to find "Updating the PATH Environment Variable"
Also this might be worth reading:
https://stackoverflow.com/questions/7709041/javac-is-not-recognized-as-an-internal-or-external-command-operable-program-or

Answer 2

i working in PC so I writing in that Lang
CD documents
CD folder
javac xyz.java
xyz.java