У вашего броузера проблема в совместимости с HTML5
Download Java SE from oracle official page: http://www.oracle.com/technetwork/java/javase/downloads/index.html
After that follow the video instruction to install java in linux (Oracle JDK in Linux)
After that configure alternative using update-alternative commands as in Video.
Make sure that You need to setup PATH variable in Linux in ~/.bashrc
# Exporting Java JDK Profile
export JAVA_HOME=/opt/jdk8/
export JRE_HOME=/opt/jdk8/jre
export PATH=$PATH:/opt/jdk8/bin:/opt/jdk8/jre/bin
above part are just suggestion here. Make sure you must have to provide in JAVA_HOME=/your_JDK_DIR
and also for JRE_HOME
in PATH too.
and follow the command : update-alternative --configure java and select prefered version in.