JVM version manager

Question

Is there Ruby Version Manager equivalent for the Java world?

I\'m looking for tool which allow me to easily download and install a new JVMs and switch between them. For

Answer 1

For the sake of completeness, there are two more - jabba (of which I am the author; written in Go and designed after nvm/gvm/rvm) and jenv (not to confuse with jenv.be; doesn't support installation from oracle but can install from a custom zip).