I am working on an application which draws maps on a screen. This is
done with using sets of x,y coordinates which are made into polygons and
then drawn in a paintComponent. The user now wants to add elevation (a
"z" component). The question at hand is how to quickly index into a ...

I'm writing a swing application that has 2 JTables on seperate
JScrollPane.  When data in table 1 is edited I submit it to a database
(using a TableModelListener) and would then like the focus to be set to
table 2.

hi..
for some reason i cannot use java xml blindings but here in xml i have:
<CaseObject TypeId=23>
<AttributeType TypeId=233>

   I want to create a TimeSeries Chart for 'CpuUtilization' in our
project.The chart is created from the values that is stored in a
database table ,with the Time towards the X-axis and the Cpuload
towards Y-axis.Sometimes there is a long gap b/w 2 time entries,for

please run the following code
Here im creating a GregorianCalendar instance and than add one 27 times
to DAY_OF_MONTH and to my surprise it will show you 31st feb 2006
before moving to march, ,this is really crazy, any1 know of workaround?

Hi, im using HttpURLConnection to read a URL. This works fine when
pointed at a file ending in .html, but not with any other post fix - ie
.jsp, etc even though the content is identical.
I assume that this might be something to do with mime types, but im not

If you have a class with more than one synchronized static method, are
the methods synchronized from each other?  What object are they
synchronized on?  I know that synchronized instance methods are
synchronized on 'this' but there is no 'this' with static methods/

I was hoping somebody can help me with a design question.  I have read
in numerous places that business objects should not even know that a
database exists let alone know about how the object itself is
represented in the database.  My question is, how do you keep track of,

Does anybody know of a free FTPS client java library?
Some time ago I wrote some utility that uses
org.apache.commons.net.ftp for plain FTP ftansfer, and
it works great.  Is there something similar to the

In your opinion, do you think the primative classes (java.lang.Byte,
Long, Double, etc) and Void are reflective classes or not?

Maybe I am missing something, but I can't figure out how to query a
JTable for the current cell (assuming single cell selection). How do
you do that?

I have a Java application that creates a temp file, calls
sun.tools.javac.Main, and executes the class.
The class that it executes makes reference to some classes in the
application. Everything is fine.

At the site where I work, we are using OpenJMS to process 16000 message
an hour.  However, it appears that OpenJMS will lock-up after having
processed a large number of requests and no messages will be further
processed.  This situation is corrected when OpenJMS is restarted and

Our build process has always used make but
more and more parts are migrating to ant,
because it seems to do the java bits better.
At this point I think we'll migrate entirely

Is there a way to prevent a table from sending events to its selection
listeners when programmically setting the row?
The problem I am facing includes two tables that have columns that
relate. When you click on a row in table 1 the corresponding row