Setup instructions for JDK on Unix

Edit (or create) file .bash_profile in your home directory ($HOME).
Add the JDK bin directory to the PATH environment variable.
(Assume it is /usr/jdk1.5/bin -- put your own JDK bin location)
```
PATH=/usr/jdk1.5/bin:$PATH
```
Make sure file is executable:
Execute from terminal this command:
chmod a+rx ~/.bash_profile