3. Architecture and Modularity
Modularity plays an important role in software architecture. It fills a gap that has existed since we began developing enterprise software systems in Java. This chapter discusses that gap and explores how modularity is an important intermediary technology that fills that gap.
3.1. Defining Architecture
There are numerous definitions of architecture. But within each lies a common theme and some key phrases. Here are a few of the definitions. From Booch, Rumbaugh, and Jacobson (1999):
An architecture is the set of significant decisions about the organization of a software system, the selection of the structural elements and their interfaces by which the system is composed, together with their behavior as specified ...
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