i'm looking for some technic to do some basic ratings.
I'd like to rate some items (e.g. images) that are clicked on some
webpage.
e.g.:

Hi basically im building a program for universtity and i am still very
rusty when it comes to programming using java, ive been ok up to now
but this exercise i need assistance. I have basically got to work out
the length of the longest side of a triangle when given the other two

I need to round a float to the nearest whole number using
DecimalFormat (specific requirements for a program). I have tried
  DecimalFormat grade = new DecimalFormat("0");
but it does nothing at all. What should I put in the parentheses to

i want to know a web site for beginner in java.
thank you

I'm new to programming, but I want a goal to work towards. I want to
work towards a certificaiton. What is suggested? Should I go for a
Java certification? If so, which one? Should I go for SCJA or SCJP?
-Julie

are you aware of any free, easy to embed, editor for emails? In my
application, there is template service that produces ready-to-send MIME
messages, but before I let my service send it, I have to give
application user a chance to see and/or modify that email (before

I read in bloch's effective java that the only interesting use of
clone() is to copy array cheaply. On the web, I found opposite opinions:
Some people pretend that instantiate a new array, then call
System.arrayCopy is faster.

(feel free to jump ahead to java specific part)
***Background***
Ok I give up!
I am designing a program to display ASCII art to represent a picture.

I would like to let you know that I have released a new commercial
Java library for Swing, which is used to create advanced interactive
Gantt charts. The implementation of this library took almost 2 1/2
years.

I've been a programmer for many years and am just learning Java. In
the code below, I think that the for loop from
j=0 to j=3 is poor code. Instead there should be an array of
"pointers" to each getInstance function and one should iterate through

My WinXP computer shows all this:
Control Panel
Add or Remove Programs
Currently installed programs:

How to incorporate various versions of ONE file. I mean all the
technical details regarding how to store  the differences between the
versions of a file.

I configure IIS to address jsp pages to tomcat; if i login using the
application http://indirizzo-ip/app everything work fine, while if i
try to login the application trough the site http://www.dominio.it it
gives back the error in object. I'm not a java pro but I only have to

I need to provide RTP functionality for an application without a GUI.
This functionality consists of having an RTPSender class and an
RTPReceiver class.  RTPSender is a thread that sends RTP packets to a
listening socket implemented in the RTPReceiver class.  I have tried

I'm trying to sign my jar file (which I created using fatjar), I
followed sun's tutorial on subject and everything seems work (I get no
error messages and everything is generated) however when trying to
load my jar and deploy it using jnlp file suddenly java web start does