I have inherited a J2EE app, which is running like a dog :)
I am tasked with finding and fixing the areas in which the performance
is particularly poor. Short of debugging through the app and taking
"timings" can you recommend any (free/open source) software out there

In JAVA I had to implement something like conditional compiling.
I had earlier posted on this issue and got answers that it is not possible.
But now, a friend of mine suggested this:
class A{

Hi.  I've scanned posts for about and hour and can't find what I need.
I'm trying to plot a missile flyout in earth centered earth fixed
(ECEF) coordinates.  Is there a class in SWING or elsewhere that will
let me map my coordinate system on top of the screen coordinates.  For

public interface AQuestion
{
    public abstract void someMethod() throws Exception;
}

import java.awt.Graphics;
public class test1 extends java.applet.Applet {
    //@Override
 private String str;

I have an idea involving Java that Im trying to determine the
feasabilty of. I would like to know if it would be possible within a
java applet embedded within a webpage to take a screenshot of the
webpage from which it is sitting in (or another frame possibly), create

Is there something comparable to a batch file on the mac?
Im trying to deploy an application that keeps the jar files intact.  So
Im trying to find out if I can create something similar to a batch file
for the mac that would launch the executable jar file....

Hello... I have 2 progs, A and B. I want to know which of the 2 runs
faster. I just cant use Date to display the when the progs start and
end because I want to see the difference in milliseconds/nanoseconds.
Can somebody help me? Please... Thanks.

I want to reflect an RMI object. and save the values of each variable
using field.
However I can only get the interface of the RMI object.
If I reflect the interface, I can't get the what I need. But I don't

If I have a String "Hello" and I know it is a name of a class, how to
use the string to create a object?
Thanks, fAn

Im looking for something that will generate a shell script for mac
users, so that they can have an "application" file that simply
references my jar file...
Does anyone know how I can accomplish that from a windows based pc?  A

Hi,Everyone:
Here is my solotion to change from int  to byte[] ,is there a better
solution ?
import java.util.*;

As the subject suggests. I am trying to run an application bundled in a
jar1 file, the from that jar1 file, I would like to run the jar2 file
and close jar1.
The idea is that jar1 is an updater and will check online and install

I'm struggling to solve this puzzle: I'm porting some C# code to Java
regarding some invocations to a couple of generic methods.
The problem is that the generic types of such generic methods cannot be
inferred by the compiler as they only refer to the returning value

As title, why?