Most professional software developers understand the academic definitions of coupling, cohesion, and encapsulation. However, many developers do not understand how to achieve the benefits of low coupling, high cohesion and strong encapsulation, as outlined in this article. Fortunately, others have created stepping stones that lead to these goals,

resulting in software that is easier to read, easier to understand and easier to change. In this article series, I will define three of the primary object-oriented principles and show how to reach them through the five S.O.L.I.D. design principles.

Have you ever played Jenga? It’s that game of wooden blocks that are stacked on top of each other in rows of three. In Jenga you try to push or pull a block out of the stack and place it on top of the stack without knocking the stack over. The player that causes the stack to fall loses.

Read more …