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Java Forum / First Aid / September 2004

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ThreadLast Post  Replies
[help] Using jdb to debug26 Sep 2004 09:15 GMT1
Hi, I am new to Java and jdb, please bear with me if this question is
stupid.
I wrote a class called SampleTest.java, it compiles well, however the
output is slightly wrong.  So I run jdb SampleTest
cannot resolve symbol26 Sep 2004 02:30 GMT1
I am having a problem compiling my program that I think is related to
my classpath. All of my swing components create unresolved symbols in
their declarations. Here are my compile errors:
C:\Documents and Settings\Michael\My
java, X, and VNC25 Sep 2004 16:40 GMT1
A colleague of mine was running a java application on a Solaris box.  (Call
that box A.)
AFAICT, she rlogin'ed to Solaris box B from Solaris box A to run it.
Now I've encouraged her to switch to VNC.  So she connects to A via VNC.
Resin throwing NoSuchMethodError from Servlet Class25 Sep 2004 15:15 GMT2
I am attempting to set up a web application that contains a command in
the web.xml file to call a class named PhotoManagerController using
the <servlet> tags.  I use the <init-param> tags within the <servlet>
tags to pass parameters to the PhotoManagerController class that are
initialize String25 Sep 2004 14:50 GMT8
Found in the code that I am maintaining:
private String currentOperation;
currentOperation = new String("deleteGroup()");
Is it not better to write:
URL class heavy on COU usage25 Sep 2004 11:43 GMT5
  Java v1.4.2_05.
  I am using the URL and HttpsURLConnection classes in a program. As soon
as the openConnection() method is called, the CPU usage goes to 100%
greatly slowing the functioning of other programs. When the connection
What APIs to Draw Charts in a Web based application25 Sep 2004 11:07 GMT1
I was wandering what is the way of creating charts in web based applications.
I had a look in JFreeChart and Cewolf.
What do you propose.
Thank you
animation timer24 Sep 2004 21:54 GMT3
im programming an animation and im having trouble making it move smoothly.
im programming it in java 1.1 so i cant use the timer in swing..
if i was to make a timer of my own.. how would i go about doing that?
thanx
a little applet problem...24 Sep 2004 19:20 GMT18
I compile an applet (file.java), do the html w/the applet tag.. run it,
works fine, both in viewer and browser.. then I change something in
.java file, compile again..  but when I view in browser again it still
shows old version, can't see changes..  (can see them in appletviewer ...
Cleared SCJP 1.4 - What to do in J2EE???24 Sep 2004 18:33 GMT1
Today I cleared Java Programmer certification (got 83%). Now I am
confused as what to do in J2EE. I am a big ZERO in that. So here are
my questions/doubts:
1. Can I do EJB without doing JSP/Servlets.
Setting log levels in java.util.logging24 Sep 2004 18:18 GMT1
I'm confused about how to control logging levels.  I'd expect this code:
import java.util.logging.Logger;
import java.util.logging.Level;
public class LoggerTest {
IllegalArgumentException 24 Sep 2004 16:27 GMT2
Use : J2ME Wireless tookit 2.2 MIDP1
All work fine while testing my jar file. Deploying OTA > I get the
java/lang/IllegalArgumentException on my nokia 3200.
I try to display a long text (approx... 8000 caracteres...)
fastest way to do very very many character substitutions24 Sep 2004 12:32 GMT2
I am wondering what approaches you all might suggest for the following
scenario. I'm not looking for code, but just general thoughts about
the best way to approach this problem.
I need to substitute hundreds, possibly thousands, of character
Converting Time in String form to a Long24 Sep 2004 08:34 GMT2
Does anyone now how to access the setTimeInMillis method of the Calendar
Interface.
I have a time in the format of HH:MM:SS: which is a string, but I want to
convert it to a long, so I can compare the times to figure out of two times
Converting Time as a string  to a Long24 Sep 2004 06:49 GMT1
Does anyone now how to access the setTimeInMillis method of the Calendar
Class. I have a time in the format of HH:MM:SS: which is a string, but I
want to
convert it to a long, so I can compare the times to figure out of two times
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