difference of inheritance and interface

3 Answers  

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What modifiers may be used with an inner class that is a member of an outer class?

0 Answers  

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What restrictions are placed on the location of a package statement within a source code file?

0 Answers  

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What are transaction attributes?

0 Answers  

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When a thread blocks on i/o?

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How many ways can a thread be used?

4 Answers   Sun Microsystems,

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How to send a request to garbage collector?

3 Answers  

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Can we sent objects using Sockets?

0 Answers  

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What is there in browser that it supports web based applications of java or any other PL?

2 Answers  

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what is JTS?

1 Answers  

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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

1 Answers  

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What is the purpose of the finally clause of a try-catch-finally statement?

0 Answers  

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