Cleaner code: Inversion of logic

Design patterns

Almost all programmers have heard about and used design patterns. And there are a lot of them. Famous design patterns include the Singleton, Observer, Template method. These are all patterns that focus on objects and the relationship between them.

There are more groups of patterns, for example take Dependency Injection (or Inversion of Control). This is an architectural pattern. They tell you things about the design of the whole program. And there are specific pattern groups, like concurrency patterns.

These patterns help you solve common problems in a well defined way, other programmers will recognise the patterns used and it will help produce more maintainable code.

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