MID Profile

User Interface Package

javax.microedition.lcdui	The UI API provides a set of features for implementation of user interfaces for MIDP applications.
javax.microedition.lcdui.game	The Game API package provides a series of classes that enable the development of rich gaming content for wireless devices.

Persistence Package

javax.microedition.rms

The Mobile Information Device Profile provides a mechanism for MIDlets to persistently store data and later retrieve it.

Application Lifecycle Package

javax.microedition.midlet

The MIDlet package defines Mobile Information Device Profile applications and the interactions between the application and the environment in which the application runs.

Networking Package

javax.microedition.io

MID Profile includes networking support based on the Generic Connection framework from the Connected, Limited Device Configuration.

Audio Package

javax.microedition.media	The MIDP 2.0 Media API is a directly compatible building block of the Mobile Media API (JSR-135) specification.
javax.microedition.media.control	This package defines the specific Control types that can be used with a Player.

Public Key Package

javax.microedition.pki

Certificates are used to authenticate information for secure Connections.

Core Packages

java.io	Provides classes for input and output through data streams.
java.lang	MID Profile Language Classes included from Java 2 Standard Edition.
java.util	MID Profile Utility Classes included from Java 2 Standard Edition.