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JavaBeans are Java objects with well defined methodology for providing hooks that enable design or even runtime composition.
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Beans connectivity is implemented in terms of events, posted by the source beans and selectively delivered to the destination beans that expressed interest in specific event types.
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Interests are expressed, either programmatically or dynamically in the design- or runtime, in terms of specialized objects - event listeners - that are created by (human or machine) bean connector and then specialized and registered with the destination beans.
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Bean design patterns for naming accessor methods and other control elements provide a uniform support for dynamic bean manipulation both by programmers and by authoring tools (beanboxes).
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At the moment, the most popular component technology at the PC desktop level comes from Microsoft in terms of OLE/ActiveX controls but the much more powerful and modern JavaBeans technology gains rapid acceptance by the software industry.
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