demos

Subject-oriented programming is a practical approach to object-oriented programming-in-the-large. It addresses a number of well-known limitations of object-oriented technology, without forcing developers to adopt new languages or to abandon the object-oriented paradigm. These limitations arise especially when object-oriented technology is used to develop large systems or suites of interoperating or integrated applications, or systems that evolve in unexpected ways. The advantages of subject-oriented programming include:

• Reduction of bottlenecks resulting from updates to shared classes
• Support for multiple views
• Unintrusive application extension, even when the extension is unplanned
• Flexible customization by inclusion or exclusion of application "features"
• Reduction of the mismatch between design and implementation architectures
• More elegant coding of several design patterns

The proposed demonstration will show the support we have built for subject-oriented programming in C++ (as an extension of IBM VisualAge(TM) for C++ Version 4), but will empahsize the support we are currently building for Java.