换句话说，检测器是否需要记住它在方法、类、层次结构或者整个程序级别上看到了什么？

In other words, does the detector need to remember what it sees at the method, class, hierarchy, or whole program level?

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适当地使用这些类及其包含的方法能够改善程序。

Proper use of these classes and their methods will improve your programs.

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调用处理程序类还会把方法调用委托到真正的实现类，以便处理核心业务逻辑。

The invocation handler class will also delegate method calls to a real implementation class in order to process the core business logic.

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