Export PATH or JAVA_HOME when no permission to edit ~/.bash_profile or ~/.bashrc file

When a user did not have permission to add a new PATH entry in bash_profile, just use the below command in any terminal:
$ export PATH=$PATH:/new/path     (where /new/path is the path to be added)
$ export PATH=$PATH: /usr/local/jdk1.6.0_06/bin   (for java path)

for JAVA_HOME:
$ export JAVA_HOME=/usr/local/jdk1.6.0_06/

This new path variable will be visible for that terminal for the whole session. Once the terminal is closed, new PATH will also be vanished.

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