本教程是讲解基于JAVA 的J2ME 技术的。J2ME 平台存在的基础是设备使用不同操作系统的多样性。即使只剩下Symbian、Windows 两种平台他们的对立也给了J2ME 技术足够的生存的空间。本教程是为了学习J2ME MIDP 技术的开发者准备的。尽管本教程内容涉及初学阶段，但本教程不仅仅是一本入门的读物，很多的内容的详细程度对于有经验的开发者来说，也是很多脾益的。事实上，本教程假定初学者已经有了一定的JAVA 语言基础。-This tutorial is to explain the J2ME based on JAVA technology. J2ME platform is based on the existence of equipment to use a different operating system diversity. Even though there are only Symbian, Windows two platforms also their opposition to the J2ME technology enough to survive. This tutorial is to learn J2ME MIDP technology developers prepared. Although the tutorials covering beginner stage, but this tutorial is not just an entry-level reading materials, many of the level of detail for the experienced developers, but also a lot of spleen beneficial. In fact, this tutorial assumes that beginners have a certain basis for JAVA language.