I have a question concerning the behavior of regular expressions in Java. I
have a text: "text-123-234-535-235"
I use a regular expression to get the text: "text(-[0-9]*)*".
The problem is that I don't how many number blocks there will be. It can one

What am I doing wrong?
D:\java>type Example.java
/*
       This is a simple Java program.

Hello I've been trying to figure out what classpath to load my app.
Here is the code:
import java.sql.*;
public class Buddy {

In order to recognize multipart NNTP messages, I am searching subject
Strings for sequences of characters matching (number/number). For this
purpose, I am using a regular expression - it's the first time I've used
them and they prove to be very handy :)

I'm having a problem with my Java application, only on my computer. On
my co-workers machines, the code runs correctly.
Despite what it says in the official Java documentation, and what
happens on two other computers in my office, ServerSocket.accept() does

Is it possible to construct a File object from some resource (in this
case an ssh private key) in a jar file?
Cheers!

In my applet I've a JProgressBar object.
I've a method to grayscale the image,
void grayScale(BufferedImage img, JProgressBar progress)
in that method I call for example:

Hello, I am writing a web application with Java.  There is a function that
user can upload a picture to server, and the server will resize it.  I am
using the Java API to do this function.  However, the result is not very
satisfactory.  The resized image quanlity is very bad.

My company makes a Java application for which we would
like to gather some information about the systems it is
run on, mostly regarding the hardware.  The kinds of
things our product folks would like to see include:

I've been taking a Java course for the past month, so I'm relatively new to
the whole thing.  I've got no problems writing code in C, BASIC, Cobol and
scripting in a couple of UNIX shells, so the process isn't alien to me.
What's got me baffled is this whole object oriented thing ...

I am very new to Java. I am working on this project to set an array of 1000
random numbers that range from 0 to 50 inclusive and counts the number of
occurances of each number in the array. Please help.
This is what I have so far:

I created a package in Eclipse called com.strattonpress.statistics.
I exported the package to a jar file on my desktop called stats.jar.
I created a .java file called HelloWorldApp.java and compiled it in a
command window opened to my desktop using javac.exe. No problems. PATH

Exception in thread "main" java.lang.NullPointerException
       at Bookstore.openInputStream(Bookstore.java:80)
       at Bookstore.main(Bookstore.java:55)
Any Ideas?

When generating a javadoc for a project in Eclipse
(File=>Export=>Javadoc=>Next=>Finish), is there any way to cause
Eclipse to invoke javap.exe with the -noqualifier option, so that the
generated html does not include package references. (For instance,

Say I get the date and time of the last update for file:
File selectedFile = fileChooser.getSelectedFile();
long lastupdated  = selectedFile.lastModified();
How would I convert this to a string of Date Time?