Java Programming

JTable column sizing
Hello, I have a JTable with some columns. I am setting the widths of some columns to some preferred size. One column has no header text, and the cells have a check box. I want the cells of that column to have the least amount of extra width around the check boxes. I set the preferred size on the table colum... 10 Feb 2010 11:06

bug in java.net.Socket??
All, I've been trying to get a passive ftp server working, but unfortunately, there seems to be a VERY low level bug in the Socket command that makes the passive connection. The symptoms: I get a port to connect to, and then try that port using: Socket sckt = new Socket(host, port); The socket sends off ... 11 Feb 2010 11:38

Table pagination for about 40 rows per page
I use the TableKit javascript library and JSP for displaying scientific data. The size of my data sets are about 100-25000 rows and 5 columns. I would like to display the data for about 40 rows per page. The user can click the "Next" and "Previous" button to go to the next and previous page respectively. The user... 9 Feb 2010 17:24

Java Lead with GUI & SWT | CA | 10+ months
Role: Java Lead with GUI & SWT Location: CA Duration: 10+ Months Should be able to design, develop, debug programs independently and mentor others. SWT:Evolution, Features, Advantages and disadvantages, Overview of Architecture, Platform support, Set up, SWT controls, Events, Listeners, Some controls in... 9 Feb 2010 13:57

Ploblem doing HTTP POST via URLConnection
Hello, I am trying to post an object to a servlet via HTTP using the following code, but unfortunately, nothing is sent to the server: private static void doJavaPost() throws IOException { URL url = new URL("http://localhost:9999/myservlet"); URLConnection connection = url.openConnection(); connection... 10 Feb 2010 02:19

Statements before super()
Eric Sosman wrote: On 2/9/2010 4:49 AM, Pitch wrote: Also, you cannot place any code before super(...) which I already new, and it also sucks. :) [...] Anyone knows why is that so? [...] If it were possible to run arbitrary code on a Sub instance before its Super-ness had been established and... 13 Feb 2010 08:11

Ugly SAX
I wrote a bit of code using SAX to extract data from an XML configuration file whose structure I composed myself. I thought to myself, "This can't be right". Nobody in their right mind would invent something so clumsy to extract the data." I used as a model various bits of code I found on the net. I am hoping thi... 10 Feb 2010 14:31

What is the difference between Memory Usage and Heap Usage in my JVM Metrics ?
On Mon, 8 Feb 2010 17:15:54 -0800 (PST), Krist <krislioe(a)gmail.com> wrote, quoted or indirectly quoted someone who said : How can I also tune the 'memory for internal stuff' usage ? see http://mindprod.com/jgloss/javaexe.html for some of the parameters you can tweak. Follow links to some even more esoteric on... 9 Feb 2010 11:40

What is the difference between Memory Usage and Heap Usage inmy JVM Metrics ?
On 08-02-2010 20:15, Krist wrote: On 9 Feb, 08:09, Arne Vajh�j<a...(a)vajhoej.dk> wrote: On 08-02-2010 18:08, Krist wrote: In my Apps Server console (OC4J) JVM Metrics, there are two columns about memory : Memory Usage (MB) -> Shows the amount of physical memory used by the JVM. ... 9 Feb 2010 20:48

What is the difference between Memory Usage and Heap Usage in my JVM Metrics ?
Hi all, In my Apps Server console (OC4J) JVM Metrics, there are two columns about memory : Memory Usage (MB) -> Shows the amount of physical memory used by the JVM. Heap Usage (MB) -> Shows the amount of heap space used by the JVM. (heap usage seems to be up and down, but memory usage is never goi... 8 Feb 2010 21:21