What is business delegate? Where can we use it?

What is the difference between front controller & action servlet?

What is taglibrary & its use?

What is FunServlet? Explain with example.

Explain 4 types of JDBC Drivers with Examples? How to use all 4 types of drivers like where to use which?

What are the differences between JDK 1.5 and JDK 1.6?

What is the difference between log4j, maven and ANT. Which one is the best to use in an application and Can we do the programing without them?

If a simple application is to be developed using Java, JSP, EJBs, Servlets, JDBC, XML in eclipse IDE What are the steps involved in it. Explain briefly step by step.

Explain difference between Struts and JSF (with a small example)

How to create EAR file using command promptGive three differences between EAR file and WAR file

What is the difference between Font and FontMetrics classes?

What's the use of running Tomcat server while developing web application? What it actually does?

2.What are the extra features having JSP compared to Servlet?3.ArrayList is not Synchronised, here what is meaning of not Synchronised?