GRASP: Assigning Object Responsibilities
Learn all nine GRASP patterns through a Java order workflow, with code, trade-offs, failure cases, and design review questions for intermediate developers.
Posts tagged with #design-principles
SOLID Principles in Practice
Apply all five SOLID principles to a small checkout design, see where they help, and learn when extra interfaces or indirection make code harder to change.
Tell, Don't Ask and the Law of Demeter
Apply Tell, Don't Ask and the Law of Demeter to keep object rules near their data, reduce fragile navigation, and see when a direct query is clearer in context.