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How do you set security in applets?
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What must a class do to implement an interface?
What restrictions are placed on the values of each case of a switch statement?
when we applied start()method on a thread ,how does it know that to execute run()method on that object?
Which javutil classes and interfaces support event handling?
Is the session factory thread safe?
is servlet,struts are threadsafe or not.please telme correct answer
1) which method of the RequestDispatcher cannot be called once the output is sent to the client? a. forward b. include c. both a&b 2) which interface should an object implement to get notified of changes to the list of active sessions in a web application? a. HttpSessionListener b. HttpSessionActivationListener c. HttpSessionAttributeLIstener 3) A user can select multiple locations from a list box on an HTML form, which of the following methods can be used to retrieve all the selected location? a. getParameter() b. getParameterValues() c. getParamValues() 4) which of the following methods should be used to send character text to the client? a. ServletResponse.getWriter() b. ServletResponse.getOutputStream() c. ServletResponse.getOut() 5) which implicit object is always available in a JSP page? a. exception b. session c. out 6) which inclusion mechanism doesn't include the source of the page, rather the output of the page. a. include directive b. jsp:include action c. Bothe a& b 7) which attribute of the page controls whether a page participates in session or not? a. session-allowed b. session c. isSession
How many JSP scripting elements and what are they?
In connection pool,when 100 clients are requesting, in pool 100 objects is there, when another client is making request how it will work
Howmany interfaces are used in RMI?
Write a program on RMI and JDBC using StoredProcedure?
What do you know about seam?
Core Java 
