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After having installed Java I want to write some programs. So I did. But when setting PATH variable permanently with command:

~/.bashrc export PATH=/home/pi/Downloads/jdk1.8.0/bin:$PATH

I get this error:

bash: /home/pi/.bashrc: Permission denied

How to fix this?

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You're trying to execute .bashrc as a program, which won't work because it's a file and not an executable.

Instead, you need to add export PATH=/home/pi/Downloads/jdk1.8.0/bin:$PATH to .bashrc.

One way you can do this is by executing echo "export PATH=/home/pi/Downloads/jdk1.8.0/bin:$PATH" >> ~/.bashrc, which will append the export... command to the end of the .bashrc file.

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