Design patterns are used to find common solutions when you design your software. In the initial period of software development, there was no standard to instruct software developers on how to design their applications. In an organization, each team had different mottos and followed their own style. When a new engineer joined an existing team, learning the architecture of the current system was a gigantic task. Senior or experienced members of the team would need to explain the current architecture precisely. They also needed to answer some common ...
15. Introduction to Design Patterns
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