MIDP is geared toward mobile devices such as cellular phones and pagers. The MIDP, like KJava, is built upon CLDC and provides a standard run-time environment that allows new applications and services to be deployed dynamically on end-user devices.
MIDP is a common, industry-standard profile for mobile devices that is not dependent on a specific vendor. It is a complete and supported foundation for mobile application development.
MIDP contains the following packages, the first three of which are core CLDC packages, plus three MIDP-specific packages. We will discuss each of these packages later on in the tutorial:
java.lang
java.io
java.util
javax.microedition.io
javax.microedition.lcdui
javax.microedition.midlet
javax.microedition.rms