摘要：When the servletcontainer (like Apache Tomcat) starts up, it will deploy and load all webapplications. When a webapplication get loaded, the servletco 阅读全文

摘要：If you write Web applications in Java, the servlet is your best friend. Whether you write Java ServerPages (JSP) or plain servlets, you are both at th 阅读全文

摘要：C++程序员如何转Java 忙里偷闲，到了这个时间终于得空写一篇早想写的文章。其实本文的标题有些不太准确，C++程序员写Java代码不是说就非得转行写Java，抛弃C++，而只是多了一个选择而已。两种语言各有优势，这里我们且不谈语言之争，就假设有朋友需要这样一种角色转变，写了多年的C++,一时间突然 阅读全文

摘要：Part I:equals() (javadoc) must define an equivalence relation (it must be reflexive, symmetric, and transitive). In addition, it must be consistent (i 阅读全文

摘要：The singleton pattern restricts the instantiation of a class to one object. In Java, to enforce this, the best approach is to use an enum. This great 阅读全文