if you got problem jquery like below:
$ is not define
jQuery is not defined
you can solve that problem with this step:
The firts is check you jquery script make sure not any wrong script.
if not any problem, usually problem is file permission access.
change permission access for all files who load in this web page.
I'm not suggestion for using permission access 777, because is not expected and vey dangerouse.
make sure, The user of web server group is have a permission for access files and folder.
after that, refresh your web page, i hope problem can be solve.
For learning java programming :
