I have the following problem. I would like to use an enum to access
variables in a class - the idea is probable easiets shown by an
example (stylistic code).
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How to I seperate 2 printf statements:
System.out.printf("Tax $%.2f", Tax);
System.out.printf("Total Due $%.2f", TotalDue);
it comes out like this: Tax $4.01Total Due $70.89

Is it possible to directly manipulate an item within a Vector (or any
other AbstractCollection).
Basically, I retrieve and manipulate vectors in the following way:
Vector myVec = new Vector();

in our company we are using an monitoring tool that comes with a
console written in Java. It's a commercial product so we don't have
access to sources or to design info.
What I notice is that this console becomes slow after a few hours.

i want to give the drop-down in my jsf .how to give that

When i am writing code  using enum, varargs  in  eclipse ,it says
source level is not 5.0 compliant so i am unable to use them .could
anybody suggest the work around for this problem?
Thanks in Advance,

code from some tutorial
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import junit.framework.TestCase;
public class SampleTest extends TestCase {

I want to update databse bsed on xls or CSV file record. Can some one
provide me code for that

I've written a custom odbc driver to execute some complex queries
using Tomcat Server.
MS ACCESS loads the dll (through system DSN) I created and links the
table to oracle using my odbc drier.

I have a class, say MyClass, that consist of a few fields in
particular of a list of other objects:
public MyClass {
 int someID;

How do you detect when a user has abandoned a JSP session?  In this
case a user has selected items from a catalogue and included them in a
shopping cart (cart table).  If the user never checks-out and
disappears I want to clean the shopping cart table.

I am a student studying in college this is my first year and i am
taking Computer Science as my Major but i am having a hard time with
my course. I have no idea of whats going on in class so if any 1 knows
anything about this things i have to do please help me out.

I am facing problem in doing java programming mainly for data
structures part.I want to get a good book on data structures through
java by an Indian writer.Please help me as far as you can.

I am fairly new to Java and OOP in general and I am using Java 5 at the
moment.
If a method expects a type of ImageFrame, which itself extends Frame
from awt, why will this method not allow me to pass my own JFrame

I know how the use the parser in swing, but what I cant seem to figure
out is how to tell when the parser has completed parsing the
document.  It would also solve my problem if someone could tell me how
to make it not multi threaded.