How to use ubuntu 12.04 simply install java 8
First you may to download the java 8 website here Seccond Downloading the java tar gz file and text following command sudo -s cd Downloads tar -zvxf jdk-8-linux-i586 . tar.gz cd jdk1.8.0 mkdir /usr/java cp -r * /usr/java echo PATH="$PATH":/usr/java/bin>>~/.bashrc ln -s /usr/java/jre/lib/i386/libnpjp2.so /usr/lib/mozilla/plugins cp -p /usr/java/jre/plugin/desktop/sun_java.desktop /usr/share/applications/ cp -p /usr/java/jre/plugin/desktop/sun_java.png /usr/share/applications/ echo [Desktop Entry]>>/usr/share/applications/Java.desktop echo Type=Application>>/usr/share/applications/Java.desktop echo Version=1.0>>/usr/share/applications/Java.desktop echo Name=Java>>/usr/share/applications/Java.desktop echo Comment=The java loader>>/usr/share/applications/Java.desktop echo Exec=java -jar>>/usr/share/applications/Java.desktop echo Icon=sun_java.png>...