vinayak jog

If I am not wrong you are doing developing web application. Nothing wrong with your code its just browser behaviour to save files with [1] [2] etc., just to keep all versions of files. There is a chance of file change from time to time. Browser assumes file changed every time and saves a separate file.

According to me the best opensource ide for java development is Eclipse and best paid ide is intelliJ

Thanks for your reply Ulf Dittmer. Article is cool as well, thumbs up!

I am reading Java Virtual Machine specification. I am puzzled with the following statement

"Compiled code to be executed by the Java Virtual Machine is represented using a hardware- and operating system-independent binary format, typically (but not necessarily) stored in a file, known as the class file format."

If you want to learn java try to read the code from http://grepcode.com/.

I would rather prefer eclipse than to head bang on compile run etc., i guess we should be concentrating on logic.
you can download eclipse and start coding.

https://www.eclipse.org/downloads/

http://www.w3schools.com/xml/default.asp ::: is a good place to start with.
http://www.mkyong.com/tutorials/java-xml-tutorials/
above are to the point tutorials

Simple query

select column_name, null from table_name;

what is the use of null here ?

You need to have all Servlet container related libraries in the classpath

Brain storm your ideas write them on paper or type and print ..... then convert it into psuedo code..... do coding

P Arunkumar wrote: please solve my issue.

post the code

the tag which used to break the line..

There is a very simple solution override the HttpServletResponse's sendredirect method using HttpServletResponseWrapper. You can write your own customized redirect method .

Do some coding get error look for answers, don just distribute your assignments

link that may help you http://docs.oracle.com/javase/tutorial/essential/concurrency/syncmeth.html