I am learning about collections.  I am used to seeing classes as
types, now Interfaces are types.  This is pushing the envelope a bit!
I understand abstract classes.  They really only ensure that the
methods are being used in the implementing class.

i have found a problem i dont know what to do about.
in this case it does not create any problems for me, but it might well
in the future.
i do the following in the application:

Hello to all,
This is probably a very simple question. I wonder how to reach object
A from object B, where B was instanced in A. The example below makes
it probably more clear then my "java-language" :-) Any help is

My system -- Win XP (Home)
I am a general user (not a developer)
Just installed, without too much thinking, Java 2 Runtime Environment SE
v1.4.2.  In just a few words: do I need it as a general user? what does it

there is something about char-arrays i dont understand.
i have the following:
String string1 = new String("abcd");
String string2 = new String("abcdef");

hi again.
i have problem using chars, i use java sdk 1.4.2_02 standard edition.
assume i have the two char arrays, that i have created in the following way:
String string1 = new String("abcd");

I want to create a script in java to find for me the ?width, length and
size? in the files which are stored the Hard Disk.
Can any one help?
Thanks

I have a database I created in mySQL.  I've been entering data every day
into the database using a Java application that I wrote.  The database
and the Java program are on the same Win 98 SE machine.
I've been working on another program (an applet) to send and receive

Perhaps I'm being thick, but I'm trying to download the J2EE SDK from
sun.com and seem unable to connect to the vital machine:
The relevant link on http://java.sun.com/j2ee/1.4/download-dr.html points to
http://javashoplm.sun.com/ECom/docs/Welcome.jsp?StoreId=22&PartDetailId=j2ee\

I, too, am new to Java.
I have Linux running - Mandrake 9.1 (which is based on RedHat and the RPM
technology)
I have begun Java self-study.  I have been keeping an eye on this newsgroup

On most games you have a frame which fully expands to cover all behind it.
Even the Start bar is removed, deactivated.
How can I accomplish this in one of my frames?
any suggestions please

I am thinking in exploring EJBs with the evaluation versions of WebSphere
and WebLogic. Nevertheless, all the documentation I find is about using
WebSphere Studio Application Developer (WSAD) or BEA WebLogic Workshop...
For several reasons I don't want to use those particular IDEs, ...

I am trying to use the readInt() method from DataInputStream. I have:
DataInputStream dis = new DataInputStream(System.in);
int N = dis.readInt();
When I compile this, I get the following error:

I am using xsl to create a number of java files. If I discover a certain
information in my input file (xml) I must report it to the user similair to
" Error reported when creating class "AAA". However when I am generating I
use redirect to write to files.

I have created a bar that moves from left to right. I upload to my webspace
and then load this through my computer and it works ok. When I try it on
another computer it creates the rectangle that the bar moves in but that's
it. It says the class not found in the status bar of the ...