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interview quest

prithiviraj amirthalingam
Posts: 1
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1) Diff and y? Interface & Abstract class?
2) Diff & y ? Hashmap & Hastable & Vector & Arraylist?
3) what is differed in threads?
4) if u pass constructor in servlet what happens? is it thro error? what first execute init or constructor?
5) web & application server
6) how to call ejb from servlet & jsp?
7) how to track the user session in servlet, jsp and Ejb?
8) after passivating how ur ejb knows which one to be activated?
9) when using jdbc is the follwing has any diff? if yes, what is it and y?
consider if emp table has two columns empname, empno.
select * from emp;
select empname, empno from emp;
10) how to do jndi and jdbc configuration
David O'Meara
Posts: 13459
Android Eclipse IDE Ubuntu
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prithiviraj amirthalingam, firstly I should say that many of these questions are asked very often, you'd be better off searching the forums for them: you'll get better responses.

More importantly, we prefer users to provide their own opinions on questions like these since we can't tell if they are truely interview questions or homework questions. We don't do homework, sorry.

You will also get better responses if you post multiple questions and try to target the correct forum rather than dropping them all here. It is also a good idea not to use contractions ('y', 'u', 'thro' etc) but that may be a job for another day.

Please don't take it the wrong way when I close your thread. You're very welcome to ask questions, but there are ways you can help us to help you.

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