摘要: 對Java基礎(chǔ)類的Date和Calendar類有些生疏了，使用的時候還是現(xiàn)查的javadoc。
隨手記下來吧。  閱讀全文      摘要: 傳統(tǒng)JavaBean的生命周期非常簡單。用關(guān)鍵字new用來實例化Bean就可以了，而Bean的生命周期在Spring中更復雜。理解Spring Bean的生命周期非常重要，因為你也許需要利用Spring提供的機會來定制Bean的創(chuàng)建過程。  閱讀全文      摘要: spring introduction用于為對象動態(tài)的加入原先所沒有的職責  閱讀全文      摘要: reflection的學習，英文原文已貼過。  閱讀全文      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  閱讀全文      摘要: 一個Before Advice的程序例子  閱讀全文