OracleDongDong的专栏

The original website is http://www.dofactory.com/topic/1259/which-design-principles-belong-to-these-design-patterns.aspxThe Explanation before the question:I need to study the following patt

it's much messy to understand Decorator pattern. The first intend of this pattern is providing powerful functions rather by inheriting but by composition. I think this key point is under my unders

Given this situation, the way to create a new and much powerful functionality maybe impossible to avoid the two following steps: first, to utilize the existing code or method in other classes seco

The Template Method pattern is ubiquitous in the wild. It provide a clear enterpoint for the application design. This clear enterpoin is analogous to a superclass(which is an abstract class). The supe