I have the binary representation of an image ( byte[] ). Can I
get the content type in the form "image/xxx" from it ?

This does not seem to be a very high volume newsgroup.  Could someone
point me towards another resource where java newbs can get questions
answered in a timely fashion?

 I have to render  .pdf and .doc file using jsp.
Please sussgest me some solution.
Narayan

somebody help how do i broadcast msg in java programming ,that i need
to store back the ipaddress of responded machine , i need to make use
of snmp services so i m using any snmp4j pak but all i need a simple
java code that broadcast and store back the ip address of responded

In my Tomcat 4.1.27 container (with no struts), I am trying to pass a
form value to a JavaBean.
Here is my attempt and need advise on the best way to fetch the
lastname value in my below Java class because it does compile but

I was just trying out a simplified version of a reply from a previous
post, attempting to call a method...but it keeps coming up with the
error message "Cannot find symbol variable number".  Can anyone help?
/**

I have a web application that prints a report to a Static Text Box.  I
can't seem to find an answer to what I assume is a simple problem.
The \r\n does not seem to cause the text box to start on the next
line.  I also tried HTML <br>, and this ended up printing out on the

Is it possible return value to function parameter in JAVA?
   public static boolean a(String s)
   {
       s= new String ("aaa");

Ok friends, I think the end of the day has come for my career as a
cobol programmer- something I have done now for 15 years. Imminent
threat of being outsourced.
I am hoping to start anew as a java developer. To this end I have

Need to create a spreadsheet report with 15 columns and over 2000 rows
or more. The report has to be sorted by the first 5 columns (nested
sorting). Also at each level weight averages need to be calculated.
How would you handle this? Would you build a data structure or DTO,

So! I finally think I understand writing a method!  ...of course...I
still can't seem to figure out how to call it right, and therefore I
don't know if the method is right *if that made any sense*.
This is what I have so far *hides*:

Can anyone tell me, how to write such a program that can transfer
files (either binary or text) behind NAT devices( such as for
computers behind firewalls and routers and other NAT devices) using
TCP socket programming.

I find that the HTML JLabel functionality is too slow for my purposes.
But all I'm trying to do is to highlight part of the string in bold or
underline. Is there a way of doing this w/o HTML?
(I guess I could always put three labels next to each other.)

How can I do : quick watch of variable, and change it in eclipse 3.3 ?
Thanks :)

Hi;
I'm working with a legacy JSP application that lets the user extend
the session by submitting an HTML form that is in a pop-up window.
I have been working as many pop-up boxes out of the application as