JAVA QUESTIONS

What are parameters inside execute method in struts ?

Ans:  public ActionForward execute(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest request,
            HttpServletResponse response) throws Exception{

What are the native methods in java?


Input type for controller method in spring?

Return type of main method?

How to define abstract class?

Difference between hashmap and hashtable?

Different methods of integrating hibernate with spring?

Components of Struts?

Composite Key in Hibernate?

what is java interface?.
java interface , class and abstract class?
how to find a class of an object?
What is JMS?
what is EJB and it types?
Tell me about weblogic server?

difference service and proxy service?