The Java Platform, Micro Edition or Java ME (still commonly referred to by its previous name: Java 2 Platform, Micro Edition or J2ME) is a specification of a subset of the Java platform aimed at providing a certified collection of Java APIs for the development of software for tiny, small and resource-constrained devices based on microcontrollers such as ARM7, ARM9, AVR32, ... Target devices are from many industries: Home appliances, Security, Defense, Automotive, Industrial, Handsets, Industrial Control, Multimedia, Communication, ... cell phones , PDAs and set-top boxes are some well known samples.