摘要: 对Java基础类的Date和Calendar类有些生疏了，使用的时候还是现查的javadoc。
随手记下来吧。  阅读全文      摘要: 传统JavaBean的生命周期非常简单。用关键字new用来实例化Bean就可以了，而Bean的生命周期在Spring中更复杂。理解Spring Bean的生命周期非常重要，因为你也许需要利用Spring提供的机会来定制Bean的创建过程。  阅读全文      摘要: spring introduction用于为对象动态的加入原先所没有的职责  阅读全文      摘要: reflection的学习，英文原文已贴过。  阅读全文      摘要: The reflection library gives you a very rich and elaborate toolset to write programs that manipulate Java code dynamically. This feature is heavily used in JavaBeans, the component architecture for Java (see Volume 2 for more on JavaBeans). Using reflection, Java can support tools like the ones to which users of Visual Basic have grown accustomed. In particular, when new classes are added at design or run time, rapid application development tools can dynamically inquire about the capabilities of  阅读全文