Lalchand omprakash

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since May 30, 2009
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Recent posts by Lalchand omprakash

I include a JPanel with a null layout in a JScrollPane, and it doesn't display the scrollbars. Why?

but its working with layout manager

9 years ago
I am having approximately 150 web applications in my tomcat web-apps directory can these be the one of the reason for increase in memory usage. i have installed tomcat as a service.
But also I am using only one web application rest of them(149) are just the back up of the one, is these causes memory issues
9 years ago
i want to know whether one session id for one IP address or for one browser instance ?

i opened my jsp application in three browser windows its creates three different session ids?
suppose i want to use a single session for multiple instance of browser is it possible or not.
9 years ago
JSP
may i know the reason why a class in Java can't be declared as private or protected?

yeah i have used the Hash map for the purpose of reading,writing the data. i have placed the hash map in "<% %>" scriplet along with code that will iterate over the collection. i think due to multiple request to the jsp page data race occurring in the jsp. i have tried synchronization is there any other way to avoid the data race problem.
9 years ago
JSP
In my jsp page I am having a Hash Map collection, when multiple request made to the jsp page the operation of Hash map is unpredictable. but when i replaced the Hash Map with string array every thing is working fine(execution in a synchronized manner). may i know the reason why execution of hash map during multiple request is unpredictable? is there any possibility of synchronizing the hash map

9 years ago
JSP
Does anyone understand what this error means?? Is produced when trying to
save a jsp



"Save Failed:Attempted to beginRule: P/WRS-d0ipc02, does not match outer
scope rule:
when i invoke t.run() method the corresponding method in mythread class get excuted but the thread is runned by a thread
named main , not by lal which i have given the name to the thread .



The output that i have got is

RUN BY main i 1 id 1
RUN BY main i 2 id 1
RUN BY main i 3 id 1
RUN BY main i 4 id 1
RUN BY lal i 1 id 8
RUN BY lal i 2 id 8
RUN BY lal i 3 id 8
RUN BY lal i 4 id 8


forgive me if the doubt is silly one

i have planning to take scjp exam. but i am confused to take whether scjp 5 or scjp 6.

Any suggestion please.

Thanks.
Congratulations
10 years ago