摘要:老规矩, 先看看维基定义: The time complexity of an algorithm quantifies the amout of time taken by an algorithm to run as function. The complexity of an algorith
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摘要:先看看维基定义: The observer pattern is a softeware desugn pattern in which an object, called the subject, maintains a list of its dependents, called observe
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摘要:策略模式定义, 先看看维基上如何定义的: The strategy pattern(also known as the policy pattern) is a behavioural software design pattern that enables selecting an algorit
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摘要:官方解释: Used to obtain the "System.Type" object for a type. A 'typeof‘ expression takes the following for: 可以理解为: 可用 'typeof' 来获取对象 ‘x' 的类型, 得到的 Type 类型
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