I am using ubuntu 14.0.4... JAVA_HOME is always /usr/lib/jvm/java-7-oracle even though i uninstalled java...
I manually set /usr/lib/jvm/jdk1.8.0_71 in etc/environment. But $echo JAVA_HOME shows /usr/lib/jvm/java-7-oracle.
How to resolve this issue and how to use my jdk1.8.0_71 in JAVA_HOME.