Raga Jana

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since Sep 18, 2010
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Recent posts by Raga Jana

Hi all,

I have a 2 years of experience in java related technology likes Servlet, Jsp, Hibernate, Struts2. Now in my company i'm pulled to work on Google web Toolkit(GWT). The question is , i want to know the market value of GWT in upcoming years (I knew according to the gwt release and support it may vary, still you people can approximately predict it).
8 years ago
Hi,

I tried lot of sample applications listed in the internet , but none of them worked properly for me. If any one can give me a very simple example using struts 2 with eclipse then it will be a big help for me.
9 years ago
Hi,

I'm developing a simple application. I'll like to implement the connection pooling in my application. When i searched the net i can able to see lot of examples but at end of the session i'm not able to understand even a single method.. Could any please explain me which is best and we can go for it..
Hi,

I studied the core java and worked out simple programs. Now i want to do one mini projects based on core java. The project should use most of the concepts exists in java like (Inner Class, Inheritence, Composistion,Collection, Generics, etc..).. Could any one suggest me what kind of project i can start , so i can get the real time experience ??
9 years ago
Hi,

Is it possible to predict when seeing a program we can find out of which and all run time error and which and all compile time error.. If the question is wrong please make it clear!!

9 years ago
No.. The provided link is right only.. And you to download the example code!! Anyway thanks for your reply.. But still there is no answer for my question.. What's the purpose to use the Upcasting??
9 years ago
Hi,

This is the URL: http://www.janeg.ca/scjp/overload/poly.html

And could you explain me the concept of upcasting?? Why we have to do that??

9 years ago
Hi,

May be the question is look like silly. But really i'm not able to understand why i have to use upcast??

In the below example:i found by googled..



Please make me clear!! And i need explanation on the following syntax..



When i assign the reference of the LB_2 to LB_1.. Where the lb3 reference use to point??
9 years ago
Thanks for your reply. Consider both of them as a class members, then wat's the difference between the exampla 1 and 2.. Or identically both are same?? Or Ex1 is the shortest of Ex2??
9 years ago
hi,

I need the clarity on the following example. Normally the primitive types use to store in the stack and the objects in the heap. When i try to do the following what will happen??



I know that st1 variable will save in the Stack memory but what about variable or Object reference st2??

9 years ago
Great!! Thanks for reply!! You saved my time!! It's working!!
9 years ago
JSP
This is the error i'm getting..

9 years ago
JSP
Hi , Below is the code i try to run, but it's throwing an error. Please let me know what's the problem in my code

9 years ago
JSP