How to Install Java JDK 7 in Ubuntu

Chances are you installed Open JDK, which ships as default in the package manager and you’re having compatibility issues with some of the apps requiring Java native Java Development Kit. Not only can mismatch of different vendors cause havoc, but also version issues especially between JDK 6 and JDK 7.

Installation of Oracle Java JDK 7 can turn into a major headache, but it doesn’t have to. Here are the steps for a straight forward Java JDK 7 installation in Ubuntu ...