Hello. I was wondering if there is a better way to write the below
code. I have several enums, where each enum is for an option type and
each option has a short 1-3 letter string used when I need to identify
the option from a string. The code for each option type is identical

Hello, I have a problem calling a constructor inside another
constructor, consider this code:
class Point
{

I have some text files I'd like to put on my web server (preferably in the
WEB-INF directory though they could be in a regular web folder) that I will
read and parse from some of my servlets.  Does anyone have a code snippet
from doing this from within, say, my servlet's init() ...

I'm encountering a couple of bogosities here, both of which probably
stem from not handling some corner case involving HTTP and URLs.
The first of those is that some browsing has turned up URLs in links
that look like http://www.foo.com/bar/baz?x=mumble&y=frotz#xyz#uvw

Hi, Java guru,
I am in a situation that I need to figure out which *.jar files the
java process is using. Basically this huge J2EE application has a lot
of customized jar files (hundreds jar files). We are troubleshooting an

I have a java application that works perfect on a fresh installation
(xp). However I'm trying to run on a computer thats had load of rubbish
installed before.
When trying to run my app I get the error message  "main class not

While writing abstract class do you define any variables?
My question is: Why you do that? it doesn't make sense to me becouse
you can't make instance of abstract class..
I understand why to make non-abstract method in abstract class, but

I will be supplied a file of names delimited by the ASCII character 13.
I know in AppleScript I would set this :
set cr to ASCII character 13
How do I refer or set this in java. I figure I can read the file in an

I need to display a google map in a mobile app for college. Any ideas
welcome
cheers Aidan

 i would simply like to start learning some J2EE on Mac OSX 10.4. i
will not need to do anything
 fancy, just learn some basic.
 questons:

I have the following problem to solve with regular expressions:
An editor can enter data through a webfronted editor. Certain HTML Tag
are allowed others are not. When he saves the data the content should
be check using regular expressions.

Hello, so I am trying to make a better (with less complexity,
prefferably without a nested loop) to find something like pairs of
items in an ArrayList:
So far I've got this:

I'm talking about of the following warning:
 "myClass.java uses unchecked or unsafe operations.
  Note: Recompile with -Xlint:unchecked for details."
Usually when this warning occours for a LinkedList or for other linear

http://img390.imageshack.us/img390/7571/errwe3.png
I compiled the program fine but when I try to execute it, I get the
error above.
Program source code:

How could it be that I declare a StringBuffer to be final but when I
try to append it to something its value
changes to the appended value?
The StringBuffer is not re-created on the system (immutable right?) so