p550,2 cpu,8G ram,Aix5.3
  We could use 3g as the max heap size,but failed with 4g.
  Any suggestions?
wy.

OK, I feel like a complete newbie posting this, but this has baffeled
me completely. I tried to execute the following:
java -cp a.jar -jar b.jar
Of course b.jar requires a.jar to run and both jars are in the same

I have a class which has a single field:
   private final File nameFile;
When serializing it, I want to save it as a String, rather than a File.
This will allow me to better check for platform incompatibilities during

If the system clock is changed backward or forward what is the expected
result on calls like Object.wait, Thread.sleep and scheduled timers in Java
1.5?
Does the underlying implementation use System.currentTimeMillis or similar

Enums and type safety are obviously a great idea, but in one instance
there seems to be more typing or am I wrong?
class Pet {
 enum Type { DOG, CAT, SNAKE };

I have learnt how to send mail via SMTP protocol and read mails via
POP3 protocol.
If you know how to read mails through SMTP itself, please let me know.

I'm running IBM WebSphere and got a problem with filetransfer.
I've got a txt-file with some data in it, but when I open the file
after downloading it the following message gets added in the end of the
text Error 500: OutPutStream already obtained.

I want to get the bytes from a BufferedImage to send it over the line,
how can I achieve that? I seems to be trickier than I thought.

I'm new to Java, can you please give an advice? In Delphi I could do this:
type
 TFruit = (ftApple, ftOrange, ftBanana ...);
 TFruits = set of TFruit;

I'm practically new to Java, doing my second Java related course in
University so please bear with me.  I have installed the jdk on my comp
at home, which is running Windows XP Home SP2.  I am the only one that
uses the computer so there is only the one administrator account.  I

   In very short time in need to finish my program.
Have someone "ready" code, which can display emails (using JavaMail)
in JTextPane component?
   I mean, that I want to properly show messages which consist (or

Hi, can anyone help with this?
At the moment I have a class that implements ActionListener and
overides the method actionPerformed (ActionEvent e).
         I have a number of JButtons that have the custom listener

Can I use the 'this'-pointer to the not-yet constructed JFrame?
class MyClass extends javax.swing.JFrame
{
javax.swing.JDialog jdialog=new javax.swing.JDialog(this,"MyDialog");

I am kind of new at this topic, but does anyone know that: is Java's
Random Access File really "random access", or just java "simulate" it
for newbie coders' easy coding?
The difference is, for example, for a 100G file of many records, if the

hi people iv got a problem in java programming.  infact i v got to do
an assignment to do and the question is WRITE A PROGRAM TO ASK THE USER
HOW MANY NUMBERS TO ADD AND THE REQUEST THOSE NUMBERS TO THE USER. THE
PROGRAM SHOULD ADD THOSE NUMBERS AND PRINT THE RESULT.  USE DIALOGUE