This article is part of the J2ME Apps article and contains the instructions for installing the J2ME MIDlet Wireless Toolkit (WTK).

Install J2SE Development Kit

The J2SE Kit contains the Java SE 5.0, which is necessary for the WTC (Wireless Toolkit). This is a very old version, but it or a "slightly newer" one must be installed for WTC to work. With a current Java SE version, there was some problems installing WTC under Windows 10. Older Java SE versions can be downloaded from the Java Archive after registering with Oracle.

Installing Sun Java Wireless Toolkit (WTK)

The Java Wireless Toolkit (WTK) is needed to compile Java code. Additionally, the WTK has some simulators where the programmed app can be executed and tested. In addition, this tool is also suitable for testing apps with different screen sizes. The CLDC Wireless Toolkit is also available on Oracles website. During the installation of WTC, the path to the J2SE Development Kit must be specified:

More information about app development with WTK and Java can be found in this article: App Development in the 2000s