j-Interop is a Java Open Source library (LGPL) that implements the DCOM wire protocol (MSRPC) to enable development of Pure, Bi-Directional, Non-Native Java applications which can interoperate with any COM component.
Jacobie is a Java API for use with Internet Explorer. Based on the JACOB project (JAva to COm Bridge) and the IE COM Object, it directly controls IE from java. This API can be used as a true end-user web browser test with IE and not a Http-Based test such as HttpUnit.
What I usually do is, in Eclipse preferences, I define an Installed JRE called "JDK X.Y.Z" and include tools.jar as part of it libraries. Then I change the project preferences to use that JRE "JDK X.Y.Z".
The Java/Win32 integration project (Jawin) is a free, open source architecture for interoperation between Java and components exposed through Microsoft's Component Object Model (COM) or through Win32 Dynamic Link Libraries (DLLs).
Build an Electric Motor https://www.youtube.com/watch?v=elFUJNodXps&nohtml5=False#t=521.079248 How a DC motor works? https://www.youtube.com/watch?v=LAtPHANEfQo&nohtml5=False
JCOM is a Java to COM bridge library. With JCOM you can call a COM object from Java as if it were a Java object without having to deal with the internals of JNI.