Yes, it is just bad design by the programmer.

Okay, i will agree that from the short desciption of the design it does not sound like it is very good. But interconnectness and circular dependencies are not always bad design, sometimes they are a fact of life. A, B, C, & D are not very descriptive, but take something like Car, Engine, Tires, Brakes & Steering. They are all tightly interconnected, and require intimate knowledge of each other. Good design also means knowing when to break the "rules" too.

-stvn

In reply to Re^2: So much interconnectedness - good or bad? by stvn
in thread So much interconnectedness - good or bad? by kiat

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