Comparison of ActiveX and JavaBeans
Microsoft has its own set of software components that can be reused; they are called ActiveX components. ActiveX is a set of technologies that enable software components to interact with one another in a networked environment, regardless of the language in which they were created. ActiveX is built on the COM (Component Object Model). COM is also the model upon which OLE (Object Linking and Embedding) is built. COM was developed by Microsoft and Digital Equipment as a standard for cross-platform development. COM is based on the object-oriented programming concepts discussed in Chapter 6, 'Object-Oriented Programming Concepts.' A COM object must support the IUnknown interface, which maintains the object's existence while it is being used, and provides access to the object's other interfaces.
If you are using the Microsoft Visual J++ compiler, you can import ActiveX controls into your Java programs. However, ActiveX components may not be compatible with operating systems other than Windows.
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