When you look in the API at a class or interface, before the methods
comes a section called "Field Summary".   I dont understand what these
are for.
In the interface ResultSet, there is one called TYPE_FORWARD_ONLY.

I'm using Tomcat 5.5.9 on Windows 2000, and IntelliJ IDEA. I started
getting "no suitable driver" errors. (The driver --
mysql-connector-java-3.1.8-bin.jar -- is present in "C:\Program
Files\Apache Software Foundation\Tomcat 5.5\common\lib". It's also in

When starting java AWT, it uses the default
toolkit, as defined in
kaffe-1.1.6/libraries/javalib/java/awt/Toolkit.java
 private static String default_toolkit_name

hey, i have started couple of multithreads  like this
for(......)
t[i].start();
those threads are doing their individual work . how do i get all the

Hi I am creating an ant main object (inheriting
org.apache.tools.ant.Main.java)
class MyMain extends Main{
}

AoA all,
I am trying to create transparent png images. I create them using the
following code :
GraphicsEnvironment ge =

How to create a URL object for a file in the current directory?
May I need to use the file protocol?
URL url = new URL("file://./filename.ext"); //????
What is the platform independant description for the same?

Please forgive me if this is a little off topic, but I'm trying to
reach a population of active programmers and this seems to be a popular
gathering place.
I am conducting research on how company cultures affect programmer

I am developing a "plug-in" type package for an application server.
I have no control on the classpath, which includes many version of the same
class in many jars.
Unfortunately, the older version comes first, and what I need is the newer

I would like to do an URLconnection that works with SSL. I want it to work
with both:
URL names like https://www.verisign.com 
URL ip-number like https://65.205.249.60/ 

How can I check if a file is already open before trying to delete it
programmatically?
something like this
if file is open

I have the following problem:
I have a pool of resources with a fixed size and a bunch of client
threads that constantly need to use an arbitrary number of resources
for a small amount of time. Once a client is done using these resources

Has anyone used the iText library in a Java application concatenate multiple
PDFs and experienced 'out-of-memory' exceptions?
I am attempted to concatenate up to 25 PDFs with the size varying from 10K
to 250K.  It appears that iText is taking a tremendous amount of memory to

I have an app working using the default passwordcallback, but I want to
have more than 1 password. Is it possible to have more than one
passwordcallback and override the default "j_password" somehow, or
should I create my own callbacks. Alternatively should I use

I am new to swing and am writing which consists of a main window
(extended JFrame) and several child windows (Extended JDialog)
Virtually all of my class functionality seems to be contained within
anonymous inner classes.