Peter Coad

Object-oriented patterns

Object-oriented analysis (OOA) and object-oriented design (OOD) rely on classes and objects as the lowest level building blocks. These classes and objects form patterns with specific relationships between them. Groups of classes in an object-oriented environment are likely to be useful repeatedly. Many patterns may be found by trial-and-error and by observation. Examples of pattern types include item description, time association, event logging, roles played, state across a collection, and broadcast. Patterns standardize small piecework into a larger unit and become building blocks for program design and construction.