install and switch between java 7 and java 8 in windows
<p>I am on widows and also using eclipse. Currently I am using java 7. Now I want to use java 8. but i cannot uninstall java 7 as some of my old projects are working in java 7. </p>

<p>So how can I install both java version at same time and switch between these versions.</p>

<p>I want only some particular projects will use java 8.</p>