How to change default JRE for all Eclipse workspaces?

Question

I have one JRE in C:\\Program Files (x86)\\Java\\jre6 and that was the only one at the time I installed Eclipse. I have subsequently installed a complete JDK i

Answer 1

Open the Java > Installed JREs preference page. Check the box on the line for the JRE that you want to assign as the default JRE in your workbench. If the JRE you want to assign as the default does not appear in the list, you must add it. Click OK.

Source-http://help.eclipse.org/juno/index.jsp?topic=%2Forg.eclipse.jdt.doc.user%2Ftasks%2Ftask-assign_default_jre.htm