J2ME Evolution
Java 2 Micro Edition (J2ME) is a platform that allows developers to create mobile and embedded applications using the Java programming language. J2ME has undergone several evolutions under its umbrella, including the following:
- J2ME Connected Limited Device Configuration (CLDC): This configuration is designed for devices with limited resources, such as mobile phones and pagers. It includes a small subset of the Java Standard Edition (Java SE) API and a virtual machine that can run on low-end devices.
- J2ME Mobile Information Device Profile (MIDP): MIDP is a profile that runs on top of the CLDC and provides additional APIs for building mobile applications, such as user interface, networking, and storage. It also includes a graphical user interface (GUI) toolkit called the Mobile Information Device Profile User Interface (MIDP UI).
- J2ME Wireless Messaging API (WMA): WMA is an API that allows developers to send and receive short messages, such as text messages and multimedia messages, over a wireless network.
- J2ME Mobile Media API (MMAPI): MMAPI is an API that provides a framework for creating and playing multimedia content, such as audio and video, on mobile devices.
- J2ME Advanced Multimedia Supplements (AMS): AMS is a set of extensions to the MMAPI that provide additional multimedia capabilities, such as 3D graphics and advanced audio.
- J2ME Personal Profile (PP): PP is a profile that builds on top of the MIDP and provides additional APIs for building more complex applications, such as enterprise applications and games.
- J2ME Foundation Profile (FP): FP is a profile that combines the CLDC, MIDP, WMA, MMAPI, and AMS into a single platform that provides a comprehensive set of APIs for building mobile and embedded applications.
Overall, the evolution of J2ME has led to the development of a rich ecosystem of tools and technologies for building mobile and embedded applications using the Java programming language.