Basic HTML version of Foils prepared July 15 1998

Foil 42 What are JavaBeans II

From Overview of Integration of Databases and Distributed Objects with the Web Tutorial: ITEA HPCC Conference Aberdeen Md. -- July 13 98. by Geoffrey Fox, Nancy McCracken
1 The visual interface allows inspection of and implementation of both individual beans and their linkage . This visual construction of linkage allows one to form nontrivial programs with multiple communicating components
  • We will see this as next step for WebFlow
2 Apart from the event mechanism which is a communication/linkage mechanism, ComponentWare (and JavaBeans in particular) "just" give a set of universal rules (needed for interoperability) for rather uncontroversial (albeit good) object-oriented and visual programming practices
  • Hiding of properties which can only be accessed by methods (which must have special names)
  • Display of these properties (as given by methods)
3
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