bwg strategy

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Mind Mapping:Let's take a look at the popular explanation of strategy design pattern:With different types of MM dating, to use different strategies, some of the film is better, some go to eat snack effect is good, some go to the seaside romantic most suitable, but the purpose is to get mm heart, I chase mm Jin sac there are many strategy oh.Policy mode:The policy pattern is for a set of algorithms that enca

Policy patterns are well applied in TreeSet and TreeMap in the Java collection, and we can implement the comparator interface implementation CompareTo () method to define our own collation, and then through TreeSet, TreeMap constructs an instance of implementing the interface, the order in the map is our custom order. We can completely define our own rules and use them very conveniently. So, what is the strategy model?Policy pattern Definition: Define

The rule mode is similar to the provider mode I just wrote. However, the configuration is different. Below are some basic demos: Mode definitionDefinition: "prepare a set of algorithms and encapsulate each one so that they can be exchanged. "Pattern intentThe purpose of the rule mode is to encapsulate each algorithm into an independent class with a common interface for mutual replacement. These algorithms can be replaced with each other and provide a method to select the most suitable algorithm.

Policy pattern: Defines the algorithm family, encapsulates each other, so that they can be replaced each other, this pattern makes the change of the algorithm independent of the client who uses the algorithm. The subclass family of the parent class needs to extend the new function frequently, in order to use the parent class to add the subclass more flexibly, and to write the behavior of the parent class as an interface (interface); Use the Set () method to reset the behavior of the interface.

StrategyNo matter what the program is, its purpose is to solve the problem. And in order to solve the problem, we need to write a specific algorithm. Using the strategy mode, you can replace the implementation part of the algorithm as a whole. The ability to replace the algorithm as a whole allows us to easily solve the same problem with different algorithms, which is the strategy pattern. (Overall substitu

Abstract: Although the strategy mode is powerful and widely used, it is not mysterious or profound. The technology behind the strategy pattern is polymorphism, And the idea behind it is encapsulation change. Encapsulation changes actually hide the separation of the changed (Strategy) and the unchanged (context. I. Review in the previous article Let's take a l

Strategy in the waste of the way forward --Talk about Microsoft. NET strategy Eric Liu (Liu Ruhong) 2004, sixth issue of the programmers magazine Signature Four years is a bucket for history, but for a commercial company, it's enough to regenerate a few times. Proposed from Microsoft. NET strategy has been close to four years now, how we should look at to

From today on , intends to write a note every chapter of the study, today's 0th article hope is a good beginning, can finish. Come on.Getting Started with design patterns: Strategy mode (see what the actual requirements (scenarios) are, and adopt the appropriate strategy) Design principle 0: No matter how good the software design, after a period of time always grow and change, otherwise the softwar

The classification of metropolitan Area Network access technology can be divided into opportunistic type, application improvement type, development defensive type, leading innovation type and following imitation type. Let's explain this kind of content in detail below. Due to the change of telecom Operation Market after telecom reorganization, there are only three telecom operators left, so different operators have different consideration to the technology s