Java, already installed.
Here is the procedure to install JChemPaint:
/home/bioubuntu to put the archive in and move this folder to /opt/bio/sources.root and its permissions set to 755.% sudo chown -R root:root /opt/bio/sources/jchempaint % sudo chmod 755 /opt/bio/sources/jchempaint
/opt/bio/sources/jchempaint, create a small startup script to failitate the job:% sudo nano runJCP
#!/bin/sh java -jar /opt/bio/sources/jchempaint/jchempaint-3.1.jar
% sudo chmod ugo+x runJCD % sudo ln -s /opt/bio/sources/jchempaint/runJCP /usr/local/bin/runJCP
% sudo xfce4-menueditor /etc/xdg/xfce4/desktop/menu.xml