What is the Iterator Pattern? The definition of the Iterator Pattern from both Design Patterns: Elements of Reusable Object-Oriented Software and Head First Design Patterns: A Brain-Friendly Guide is The Iterator Pattern provides a way to access the elements of an aggregate object sequentially without exposing its underlying representation Iterator Pattern Class Diagram Explained So … [Read more…]
What is the Template Method Pattern? The definition of the Template Method Pattern from both Design Patterns: Elements of Reusable Object-Oriented Software and Head First Design Patterns: A Brain-Friendly Guide is The Template Method Pattern defines a skeleton of an algorithm in a method deferring some steps to subclasses. Template Method lets subclasses redefine certain … [Read more…]
What is the Adapter Pattern? The definition of the Adapter Pattern from both Design Patterns: Elements of Reusable Object-Oriented Software and Head First Design Patterns: A Brain-Friendly Guide is The Adapter Pattern converts the interface of a class into another interface clients expect. Adapter lets classes work together that couldn’t otherwise because of incompatible interfaces. … [Read more…]