CDC is included in Java ME brought out by Java Community Process (JCP). It targets smart communicators, pagers, high-end (PDAs), and set-top boxes.
Developers can Draw on rich sets of APIs at all levels, Enjoy the safety and productivity of the Java programming language, Target multiple devices from a single platform, Apply their J2SE skills, Reuse code developed for J2SE-based applications , Work with tools compatible with standard J2SE developer toolsets
Please refer
Connected Device Configuration Overview