java 7 setup in ubuntu 14.04 64bit
java 7 download page http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html tar xvf jdk-7u75-linux-x64.tar.gz sudo mkdir /usr/local/jvm sudo mv ./jdk1.7.0_75 /usr/local/jvm/ # update-alternatives --install /usr/bin/javac javac /usr/local/jvm/jdk1.7.0_75/bin/javac 1 update-alternatives: using /usr/local/jvm/jdk1.7.0_75/bin/javac to provide /usr/bin/javac (javac) in auto mode # update-alternatives --install /usr/bin/java java /usr/local/jvm/jdk1.7.0_75/bin/java 1 update-alternatives: using /usr/local/jvm/jdk1.7.0_75/bin/java to provide /usr/bin/java (java) in auto mode