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Web Component Certification (OCEJWCD)

mock exam at www.podar.net

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posted 23 years ago

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<%@ page language="java" %>
The Following are the contents of test.jsp
1 <html>
2 <head><title>A Comment Test</title></head>
3 <body>
4 <h2>A Test of Comments</h2>
5 
6 <%-- This is JSP Hidden Comment --%>
7 </body>
8 </html>
On executing test.jsp guess the correct output
a) Line 5 is inserted in response but Line 6 is not inserted in response
b) Line 5 and Line 6 are inserted in response
c) Both Line 5 and Line 6 are not inserted in response
d) Line 5 is not inserted in response but Line 5 is inserted in response
---------------------
The anwser it gave me is a).
But I think it is c) and I grabbed the above code and tested it. neither line 5 nor line 6 was displayed.

Any comment? Thanks,
On executing test.jsp guess the correct output

Tong Chen (Seattle USA)<br />SCJP,SCWCD,SCDJWS,IBM XML,MCP.NET,MCAD.NET,MCSD.NET

adous

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posted 23 years ago

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Hi,
The reason is
<%-- is a comment of Jsp --%> compiler ignores these statments, so line 5 is not inserted in response.
 compiler will insert statement as out.println("") into response.
Regards
adous

Regards<br />Adous<br />Sun Certified Programmer for Java 2 platform<br />Sun Certified Web Component Developer for J2EE

seenu maj

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posted 23 years ago

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Where in podar.net is the exam?

what a wonderful world!

Chintan Rajyaguru

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posted 23 years ago

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Let me add this to what adous_sg (name not according to the naming policy) said,

If you have the above line in your jsp, you will not see any out put on your browser because it is an HTML comment. However, your Servlet engine will process this (because IT IS INCLUDED in the response) and produce date and put the date in HTML comment. So if you see VIEW SOURCE, you should see

If you have <%-- something --%>, it is considered as JSP comment, servlet engine will not even process it and hence will not include in the response.
Conclusion: Answer is (a)

ChintanRajyaguru.com
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R K Singh

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posted 23 years ago

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Originally posted by seenu maj:
Where in podar.net is the exam?

Yes .. where is Mock on poddar.net.. even I register myself

.. but there was some free mail service.. nothing abt mock ?

"Thanks to Indian media who has over the period of time swiped out intellectual taste from mass Indian population." - Chetan Parekh

R K Singh

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posted 23 years ago

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got it ..
its here http://www.podar.net/cgi-bin/scwcd/startexam.htm

"Thanks to Indian media who has over the period of time swiped out intellectual taste from mass Indian population." - Chetan Parekh

Vedhas Pitkar

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posted 23 years ago

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Hi Tong.
The answer maybe this:
If u rt click & view source the test.jsp then u;ll see the html comment but not the jsp comment.
Am i right or am i left?
Ved.
SCJP2.

Sumit Amar

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posted 23 years ago

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How many questions does it have?

SCJP, SCWCD, OCA, OCP-DBA 9i, <a href="http://brainbench.com/transcript.jsp?pid=2232802" target="_blank" rel="nofollow">BCIP</a>, MCP, MCAD, MCSD.NET, MCDBA, MCTS (SQL 05), MCITP (DBD, DBA)

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