Am a newbie to Java Programming and am studying Accessor Methods.
If you designate variables as "private", then you can change their
values using "accessor methods". So what's the point of making them
"private" if you can still manipulate them using accessor methods.

I'm trying out some new Java code.  I was surprised to find that Java
doesn't allow the static keyword for classes. How was I to implement
singleton objects then?  Well, a quick web search and I've got the
answer, but now I have a few other questions on the JVM and compiler.

(Note: This is for a Tomcat web application)
I'd like to have my report files in my WEB-INF/reports directory,
separate from my main java classes (which are in WEB-INF/classes).
Each report gets 2 properties files for it, a Spanish and English one.

I was wondering if someone can help me out here please. I am creating a
JTable and displaying it in a window but it gives me Array Out Of
Bounds Exception. The code is as follows
Object[][] data = {

The init method for a servlet is as follows:
public void init(){
       try {
           Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

I must to implement class for credit card. How will do that. To put in
the card to put the number and to put out the card. How will program
that in JAVA?

Hi i'm trying to make a button's action method perform a 'delete' on
some text in a JTextArea(). The idea is that I do this
textArea.setText(textArea.getText(0,textArea.getSelectionStart) + "" +
textArea.getText(textArea.getSelectionEnd,textArea.getDocument.getLength());

This is VERY "newby" of me, I know, but I just can't seem to get my
head around this.
I'm trying to create a VERY simple two class test application that uses
"package bank;"

What is a servlet? How does it relate to Java Beans.. and many other
terms I don't remember
Where can I find the most complete definitions of the technologies Java
encompass?

I create a string of color codes (which are just int values) and store
the hash code as the key in a Hashtable.
[code]
str = new String("" + aColor + "," + anotherColor + "," +

The rules are:
" Fill in the grid so that every row, every column, and every 3x3 box
contains the digits 1 through 9. "
<http://www.sudoku.com/>

At some point, my JRE apparently stopped updating the GUI
correctly.  Both previously-working apps and new ones suffer
from this problem.  For example, here's a SSCCE:
import java.awt.*;

  Sorry to ask such rudimentary stuff but I'm stuck and don't know
Java. We're floating a web version of software previously installed as a
client. The application is installed and runs except for a snafu which
is we don't use the same database as the authors, so we need a ...

I am getting an error that I think means that the total can not find
the text area that it needs to display. The error reads;
java:180: cannot find symbol
symbol  : variable totalJTextArea

Ok, I wouldn't be posting this unless I've spent a rediculous amount of
time trying to solve it...but here goes:
I've been developing a game for a class I'm taking in java.  The game
uses an Entity class that I created, which is basically a simple object