1. A computer system for providing hardware virtualization, the computer system comprising: a microprocessor; a hypervisor executing on the computer system; a plurality of execution layer components executing on the hypervisor, wherein each execution layer component is adapted to exclusively execute a single java virtual machine which runs a respective single java-based application; wherein one of the execution layer components of the plurality of execution layer components accesses a feature provided by a traditional operating system executing in a traditional operating system layer operating in parallel with the plurality of execution layer components through the hypervisor; and wherein the hypervisor enables memory to be shared between two or more execution layer components of the plurality of execution layer components, and between the java virtual machines and the java-based applications running thereon.