Jbuilder te da lo de compilador y te instala el java con su maquina virtual
http://www.codegear.com/products/jbuilder
y de lo mejor es la version
JBuilder 2008 Turbo for Windows XP/Vista
JBuilder® 2008 Turbo is available as a free, turnkey Eclipse bundle which provides the basic features and functions needed to create and deploy Java applications.
http://cc.codegear.com/free/jbuilder