Description
More than two decades since design patterns have appeared, many developers consider them the most important discovery in software development. Others still find them a bad idea. And both are right! How comes?
In this course, you will learn how design patterns can be applied to make code better: flexible, short, readable. Flexibility is the key element in design patterns. You will learn how to decide when and which pattern to apply by formally analyzing the need to flex around specific axis. You will learn which pattern is adding which kind of flexibility, and what are the most common forms of implementation in practice. You will also learn common pitfalls and ways to overcome them when applying specific patterns.