Object-oriented is a methodology that uses a language feature known as objects as its fundamental unit of expression. The acronym SOLID identifies foundational principles differentiating between an object-oriented design and a design that simply uses objects.

#ObjectOriented uses #Objects but using #Objects isn’t always #ObjectOriented.
– #Programming #Architecture #ObjectOrientedDesign – @bgribaudo (original Tweet)

Recently, I read “Uncle Bob” (Robert C.) Martin’s exposition of the SOLID in his book Agile Software Development, Principles, Patterns, and Practices (Pearson, 2002, ISBN: 978-0135974445). Below is a combination of notes from his explanation and thoughts of my own that came as I contemplated what Uncle Bob wrote. Continue reading →