This article explains about the J2ME that provides tools that can port the Java platforms devices which are network-centric and platform-agnostic worldview down to memory- and processor-limited. The devices must be a 16 or 32 bit processors and must support a memory of at least 128 KB. Supports deployment flexibility, safe network delivery, anytime, anywhere code portability, and code stability etc. even though the devices conform to CLDC.