Intro to Design Patterns

Although many developers were slow to adopt object-oriented programming (OOP), in the 1990s a handful of computer scientists at IBM were making strides in devising structures based on object-oriented principles. They addressed solutions to reoccurring programmatic issues that decreased the scalability and maintainability of their applications. In their debut book, Design Patterns: Elements of Reusable Object-Oriented Software (Erich Gamma, Richard Helm, Ralph Johnson, and John M. Vlissides; Addison-Wesley, 1994), the so-called Gang of Four demonstrated the practicality of using OOP.

As you saw in Chapter 3

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