The difference between Docker and a Virtual Machine Virtual machines were the cock of the walk fifteen years ago, but they have fallen out of favor in recent year in preference to Docker containers.

The bytecode is then executed by the Java Virtual Machine (JVM). JVMs today use a technique called Just-in-Time (JIT) compilation to produce native instructions that the system’s CPU can execute.

Java VMs, the original application 'containers,' are now facing stiff competition from a new generation of containers. Written by Joe McKendrick, Contributing Writer Sept. 25, 2016, 9:15 p.m. PT ...