Research/doubt/wonder/interest Index

Here I put some articles of research/doubt/wonder/interest related to Software development.

INDEX
Research: Serialization in Java
Research: Overall Struts architecture
wonder:why define materialized view and why not just view?
Interest:what are UDT,JDBC2.1 and these relationship? found in Connection Object Javadoc
wonder:Ipchains(Firewall) setting on Linux, why allow only TCP packet of its act flg is ON?
Research:JNDI, Connection Pooling architecture
Research:RMI architecture
wonder:what is the use of apache.common.beanutils.dynabean?
wonder:what is the use of apache.common.collections.FastHashMap/FastArrayList
wonder:what is the use of apache.common.validator.Field/GenericValidator/ValidatorAction/ValidaorUtil
wonder:what is the use of javax.mail.internet.MimeUtility.encodeText()
Research:Architecture of Apache-Tomcat connectivity,port number,, protocol..
wonder:what is the difference between Singleton object and class object
research:the purpose of serialVersionID
Interest:how to handle a cockie in Java
Research:what is hsql?how it works and major advantage...
Research:caching architecture for improving application performance.
Research:Handling an exception policy in Java look for pattern..
Research:Taglib architecture in Struts
Research:HTTP vs HTTPS archtecture
Research:what is a jsessionid? its purpose/use??
wonder:general question of the difference between redirect and forward in J2EE application
Research:URL/URI definition in struts application.
wonder:an instance in JSP and Servlet looks at same one?! or different??
Interest:what is the thread object lifecycle in Java? does it totally depend on main thread?
Research:PRG pattern in Struts application
Research:try-catch-finally statement review in Java
Research:parsing XML