In traditional client-server programming, the client initiates requests and
the server responds.  I have implemented 3 test cases of such an
architecture using NIO, servlets and RMI with zero-footprint clients (i.e.
applets).  Now I would like to enhance them by adding the ...

guys,
i am using eclipse 3.2.2. in my preferences i have set spaces for the
tab key. now when i run checkstyle on my code, it says that the lines
contain trailing spaces. can somebody tell me how i can fix this.

I have an annotation like this:
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface ContextualPath

I am curious as to whether my understanding of the design philosophy
behind the design of this part of the java API is correct. I think the
Reader/Writer clan is for handling Characters (or just chars?) and the
Input/OutputStream clan is for  handling bytes or bytes that make up

I had somebody sent me an email (using good old Outlook '97 - don't
ask) and this email has the following headers:
Received: by chk_exchange6.whatever.local
    id <01C83718.A96E9AC0@chk_exchange6.whatever.local>; Wed, 5 Dec 2007

Properties props;
Properties props_;
props_.putAll(props);
I want to copy all properties from "props" object to "props_".But it

Hi everybody, I gonna to try a sun´s SCJP certification in two months.
My doubt is this: there are much more material and very good books to
study for 310-055, but 310-065 is newer and covers Java 6, is it a
good deal pay for the 310-055 test (which I have more chances to

We have web-searches against product names or company names (both
stored as keywords and stems) in our database.  There are around
10,000 product names and maybe 100,000 company names.
We already have a search engine in place but are doing a rewrite, and

Apparently, the getApplets method of the AppletContext class does not
work correctly in JRE 1.4.2_13. I've listed the individual
enumerations, to no avail.
I am using the OBJECT tag to embed the applets into HTML..

I want to learn java. Do you have idea for a project that I can bring
on each level of my learning java?
Thank you

I have a custom jsp tag inside wich I want to open an xml file (using
JDOM) to retreive some information.  The xml file is located in the
same folder as the jsp using it.
Here's an example:

Hopefully someone will have had this problem before (i can't beleive i
havnt come across this problem before).
I'm using a jar of a different project to reference certain objects/
methods/actions from it.

[javac] The system is out of resources.
   [javac] Consult the following stack trace for details.
   [javac] java.lang.OutOfMemoryError: Java heap space
   [javac]     at com.sun.tools.javac.comp.Env.dup(Env.java:80)

We have a little problem. We just started coding in Java and now we
need to load a html document from a webserver and print it out. We
figgured out this can be done using HTML component, but when we
execute this code, the pages stay blank. My guess is that we aren't

I have a jnlp cache problem.
When I download and start my application with jnlp all is ok.
But, each time I try to donwload it, the java cache does not work :
all applications jars are downloaded again