Hi, I'm trying to read multiple text lines from a file into a single
String. The approach I am using is to read each line of the file
with BufferedReader.readLine() and appending it to a String,
but this is really slow:

I have a spot where a PriorityQueue<foo> is serialized to a file. A
FileOutputStream is opened successfully, an ObjectOutputStream created
on it, and the queue is fed to writeObject(). The stream is closed. No
exceptions occur but the 1.3KB file generated is nowhere near big

I'm building an application where I want to use buttons (JButton) with
images loaded from files (.GIF-files).
At the moment, I create the ImageIcon's to use like this:
 disconIcon = new ImageIcon("resources/images/discon.gif");

I need to a create a java webservice which should take XML as input.
This XML is the output of another webservice service (output type in
the wsdl is base64Binary). What should be input parameter type to take
a XML into the Java web service.

Did you know that URL was also a verb?  check it out see
http://mindprod.com/jgloss/url.html
in there is not that hidden joke.

This demo app loads a bunch of URLs into JEditorPanes in a JTabbedPane.
I don't think HTML engine in the JRE is much cop, so this is probably a
non-starter.
But I'd at least expect my interface to remain responsive. Is my code broken

I am building my own scripting language(or dynamic language, whatever)
in Java. I wish can user other Java library inside the language,
calling methods of Java objects.
In this language, only three types of primitive data types, which are

Hey all,
I am wondering if anyone of you can explain me following questions in
detail :
what is runtime polymorphism? I know method overidding is its first

I created a menubar in applet.And i want the menu item in the right
position of the menu bar...can u help me.....

I am starting to program in C. However, I have some graphs(trees,
directed graphs) I want to display. I heard it would be ralatively easy
in JAVA(Is this true?), so I want to learn JAVA.
What is a good starting book for JAVA programming? What's the next book

I would like to point our that the following code
produces a NullPointerException at runtime:
byte[] ba = null;
String s = new String(ba);

Problem description: I have to convert a BufferedImage into a
monochrome PCX image file. So far I've tried using JIMI, until I
realize it didn't handle monochrome PCX. Since I couldn't find any Java
library supporting this format, I figured out I had to write an image

I want to improve my code using resource bundles. I have fields like
no: of companies
no: of places..etc.,
I want to use resource bundles and put the key value pair like

I would like to know what could be causing a ControlledAccessException
on the BlackBerry device simulator.  This exception is being thrown
only the first time I load the application onto the device simulator
and try to run it. Thereafter I no longer see this exception even

I would like to call a C++ programm out of Java with help of JNI. By the
followed command I created a "shared library":
   g++ -shared -o libcalculate.so rechner.cpp
When I create an object from the existing program inside a method of my