Design patterns are reusable solutions to common problems that arise during the design and development of software systems. They provide a proven development paradigm to help developers create more maintainable, flexible, and scalable software systems. Design patterns are not a specific programming language or technology, but rather a set of best practices and principles that can be applied to any software development project.
: Clients should not be forced to depend on methods they do not use; many specific interfaces are better than one general-purpose interface. dive into design patterns pdf github top