Java concurrency benchmarks - need ideas

Hi,
I'm doing a little research about concurrency in Java for my University and have to make series of benchmarks.
What is has to be done is a conclusions such like "yeah, ReentrantLock is good for more scalable locking, but if you need simple lock a non-nested block of code, it's better to use synchronized because of less overhead in today versions of JDK 5 and 6".
In my benchmarks I'm trying to follow mostly JCIP book, doing for example performance measurements of concurrent collection classes by implementing for example producer-consumer pattern with various consumer load of work degree, various consumer threads number, etc. I've also measured overhead of locking (my previous post). I will also measure mean Thread creation and start() time taken.
But I don't have idea for simple use-cases of concurrency, that will lead me to make conclusions like above. Have you got any ideas what should be measured?

Find the "Java Concurrency in Practice" -book is has some of the performance discussion that you talk about. Might be some code samples on the books website http://jcip.net/

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import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Hashtable;
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Hi Zafar,
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Batch Number Creation
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Jul 9, 2008 5:04:21 AM oracle.adf.share.config.ADFConfigFactory findOrCreateADFConfig
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user570667 wrote:
Hi 2 all,
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--------------- Code Start - Error description in the code snippet comments ---------------
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Message was edited by: Kiran
kiran.k.hegde

Kiran,
How did you convert/cast the CpContext into an AppsContext to supply to createRootAM?
Would you maybe share some more code?
Update
No need for that, a simple
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String methodName;
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am.invokeMethod( methodName );
will do...
Message was edited by:
TyskJohan

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I need java source code of a schedule java concurrent program.Following are the details of Executable.
Executable :Format Payment Instructions
Short Name :IBY_FD_PAYMENT_FORMAT
Application : Payments
Execution Method :Java Concurrent Program
Execution File Name:FDExtractAndFormatting
Execution File Path : oracle.apps.iby.scheduler
I searched in execution file path,but i am unable to find required java source.
Please someone help regarding this issue..
It's Urgent Issue.
Regards
Amar

Hi Srini,
Thanks for reply...
In the attached template of concurrent program "Format Payment Instructions", i need to add voucher number in the template.
How can i do this?how to decompile the executable?
It is a check printing.
Please give me suggestions..
Regards
Amar

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