High Quality Content by WIKIPEDIA articles! The Wonka VM is an open source, portable, embedded implementation of the Java virtual machine specification, together with class libraries which implement most of the Connected Device Configuration of Java ME, version 1.0. The VM itself was developed independently of any other implementation, including Sun Microsystem`s RI. The same is true of most of the class libraries, but in this case some code is drawn from the GNU Classpath project.