Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance. Topics Spotlight: New Thinking about Cloud ...

Find out why composition is the vital alternative to inheritance, and learn when and how to use it in your Java programs. Topics Spotlight: New Thinking about Cloud Computing ...

Java's open inheritance model can feel like an open invitation to ... unless you modify the TransactionProcessor class directly but that's a violation of Java's open-closed principle. What if you want ...

Twenty-three years ago, in his Design Principles and Design Patterns article, Robert "Uncle Bob" Martin boiled down the Liskov substitution principle to the idea that "derived classes should be ...