Sun Java Wireless Toolkit
（重定向自WTK）
The Sun Java Wireless Toolkit (WTK; formerly known as Java 2 Platform, Micro Edition (JavaME) Wireless Toolkit) is a state-of-the-art toolbox for developing wireless applications that are based on JavaME's Connected Limited Device Configuration (CLDC) and Mobile Information Device Profile (MIDP), and designed to run on cell phones, mainstream personal digital assistants, and other small mobile devices. The toolkit includes the emulation environments, performance optimization and tuning features, documentation, and examples that developers need to bring efficient and successful wireless applications to market quickly.