... differentinterface with the Adapter pattern, how to handle object collections with theIterator and Composite patterns, how to coordinate objects with the Command and Mediator patterns, and a great ... problemyou’re facing and has come up with a solution that implements all kinds ofgood design. And being familiar with design patterns can make the design process all but automatic for you.How do ... Observer, and Singleton patterns, and more as you get to know patterns and how towork with them.Part II: Becoming an OOP Master Patterns rely heavily on object-oriented programming (OOP), and in...