I have not used the Ubuntu software center or the apt-get for java installation. Learning from a Ubuntu discussion thread that a manual download and install would give me the capability to place java anywhere, I've downloaded the Sun jdk bin package and executed the ./package in the Downloads folder. I see that the jre1.6_0 is installed in the Downloads directory itself. Now I am stuck. Where should the jre folder typically be? usr/bin is it?? Is it okay if I just cut and paste the installed jre folder to the specified location? So where should the folder typically reside and how to set the path? PLease help
The correct place for jre1.6_0 is
Please see this question where I detailed manual installation steps for installing 1.7. You should easily adapt that to your case.