Hi ...
I am writing an application using jbuilderx and oracle9i, i wrote a
function in oracle using pl/sql that returns a number, and i tested it
in oracle sql and everything is ok and it returns a value.

In my program, the user has an option (a menu item) to issue the memory
collect, which calls a function like:
   Runtime rt = Runtime.getRuntime();
   rt.gc();

what is the default buffersize of a bufferclass?
thanks in advance

I have an attribute:
List<ConcreteType> attr;
but want to return it as an interface type:
public List<IntfType> getMyTypes();

Does anyone know if there is a maximum length the String variable can
be in a Runtime.exec( ) command, (as in like maximum characters)?  I've
searched through the API documentation, haven't found anything.
Reason for asking is I don't want the command String to be cut off

Why there is no guarentee for System.gc() method will perform garbage
collection for a particular time?

i'm beginning to get familiar with the network side of java, and as a quick
test platform for a project i wanted to send an array of bytes from the
client to a server. The server then responds with a string to say that the
array has been received correctly.

How do I make Class.forName("Integer") returning java.lang.Integer?
To be more general:
1. How do I make Class.forName searching in some packages?
2. Can I make Class.forName respecting the import statements of the

I just installed Eclipse  3.1, set up the project, etc. Every time I
click on a class, method, variable, it gets colored/shaded with yellow.
That is annoying, and I don't know how to get rid of it. Please help.
Thanks.

I am using a weblogic server. I am trying to get a connection from a
DataSource using following code.
I am not sure if I should do anything with the DataSource as part of
cleanup. There is no close method for DataSource, nor any other method

Hey - I asked previously (it was a long time ago) about a good free game
engine for Java.
I finally found one that does everything I need, and it's not slow at all.
As a test I put 10000 moving animated sprites on a page - the FPS dropped,

I want to print out debug message with the acutal line number of the
source file, such as:
789 Logger.debug("hello, world!", 789);
But when the source is changed, the line of debugging print moves upper

what is meant by static class?
how do u define it?
where will we use it?
thanks alot in advance

how we can write our own arraylist without using collection?
thanks in advance

I wanted to extend an invitation to all members of this group for two
webcasts that I will be conducting next week, in addition, please feel
free to invite your friends and coworkers to these sessions by
forwarding the text and link given below. Details of the Web Casts are