RCPT: Linux Newbie - Installing jdk on Redhat 6.0

1999-05-17 Thread Carl Wright

Return Receipt Notification
---

I am a linux newbie. I have installed Redhat 6.0 and have access to the internet
through my adsl. I am trying to install the jdk1.1.7 so that I can install the java
version of ICQ but am not sure how to proceed. If anyone is able to offer any
help I would very much appreciate it.




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Thanks!

1999-05-17 Thread Bojan Smojver

To all of you a big thank you! Keep up the good work.

Bojan


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[OT] TYA and Redhat 6.0

1999-05-17 Thread Paul Oliver

Hi,

Redhat 6 seems to be breaking a lot of things for me.  :-( I'm not sure,
but I think it has something to do with the egcs distribution used.

When I try and compile TYA, I get:

/usr/local/java/bin/../include/genunix/../green_threads/include/context_md.h:46:
warning: ignoring pragma: unknown_control_flow

Does egcs not support the same pragmas as gcc?  Is anybody else having the
same sorts of problems, or is my install munted?

Cheers
Puzza.


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Re: pre-jdk117_v2 works fine - except for me :(

1999-05-17 Thread Bernd Kreimeier

Juergen Kreileder writes:
 
 >> I do not have the option to link against X11 libs directly. 
 > That was my first solution...

 > With LD_PRELOAD all I have to do is 
 > $ LD_PRELOAD="libXm.so" LD_BIND_NOW=true ./bug

bash-2.01$ LD_PRELOAD="libXm.so" LD_BIND_NOW=true ./bug
   ./bug: error in loading shared libraries
   /opt/local/lib/libXm.so: undefined symbol: XtStrings

 > libXm.so is Metro Links' Motif 2.1 library.

Which I do not have. Frankly, it is nice of Metro to donate
their Motif for building, but if that's supposed to say I have
to buy it to get JDK to work, I am not too enthusiastic. What
is the problem with Lesstif?


 > $ ldd /usr/X11R6/lib/libXm.so

bash-2.01$ ldd /opt/local/lib/libXm.so
  libc.so.6 => /lib/libc.so.6 (0x40164000)
  /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x2000)

Hmmm. Maybe that's the problem with Lesstif. Guess I have to
take a closer look at a more recent release, and the way it 
links. Anybody been down this road already?


 > $ ldd ./bug

 libjava.so 
  => /opt/local/java/jdk/lib/i586/native_threads/libjava.so (0x4001)
 libc.so.6 => /lib/libc.so.6 (0x40075000)
 libpthread.so.0 => /lib/libpthread.so.0 (0x4011c000)
 libm.so.6 => /lib/libm.so.6 (0x40129000)
 libdl.so.2 => /lib/libdl.so.2 (0x40142000)
 /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x4000)

and no way to change this. In reality, it is even worse:
I want to create a DLL that is loaded by an application 
with the following fixed linkage:

 libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x4001)
 libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x400b3000)
 libdl.so.2 => /lib/libdl.so.2 (0x400c1000)
 libm.so.6 => /lib/libm.so.6 (0x400c4000)
 libc.so.6 => /lib/libc.so.6 (0x400dd000)
 /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x4000)

This app will do dlopen("bug"), effectively. I have to link
bug.so against libXm.so and libjava.so, and have to preload
them when starting an application that doesn't use them. 

 > The preload of libjava.so should not be necessary with v2/v3
 > because I've added an ld lock. 

OK. I got another bug program to test that ;-).


 b.



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Re: [OT] TYA and Redhat 6.0

1999-05-17 Thread Peter Graves

I got this same warning (on a Debian potato system), but after
the dust settled tya works just fine...

Paul Oliver wrote:
> 
> Hi,
> 
> Redhat 6 seems to be breaking a lot of things for me.  :-( I'm not sure,
> but I think it has something to do with the egcs distribution used.
> 
> When I try and compile TYA, I get:
> 
> /usr/local/java/bin/../include/genunix/../green_threads/include/context_md.h:46:
> warning: ignoring pragma: unknown_control_flow
> 
> Does egcs not support the same pragmas as gcc?  Is anybody else having the
> same sorts of problems, or is my install munted?
> 
> Cheers
> Puzza.
> 
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[Fwd: Missing dingbat fonts]

1999-05-17 Thread Big Mayo

 


I went to the appropriate website and downloaded the URW fonts as
instructed, but I have no idea where to unpack the font file - or
how to install the fonts.  No idea whatsoever.

Can you advise me on this?




Slow to appear on screen

1999-05-17 Thread Big Mayo

when I run the virtual machine it takes a relatively long time for my
application to appear on the screen.  The first thing I see is s very
very fuzzy representation of my GUI, then some time later, the GUI
itself materializes.



> I went to the appropriate website and downloaded the URW fonts as
> instructed, but I have no idea where to unpack the font file - or
> how to install the fonts.  No idea whatsoever.
> 
> Can you advise me on this?

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Problems with Swing-1.1.1beta2 under JDK1.1.7v3

1999-05-17 Thread Jonathan Mark Brooks


I have the JDK1.1.7v3 installed on a stock RH6.0 system.  My toplevel
java directory is /home/java.  I have the latest version of TYA installed.
JDK works fine.

I've downloaded and unzipped the swing-1.1.1beta2 version of Swing in
my /home/java directory.  The toplevel swing directory is
/home/java/swing-1.1.1beta2.

Using runnit, I can run the SwingSet example app, no problem.  However, I
have difficulty compiling the source or running the Swing applet, it
crashes with "class not found", referring to javax.

I have JAVA_HOME set to my toplevel java directory, and SWING_HOME set to
my toplevel Swing directory.  What else to I need to do?  The README that
came with the Swing distro is not particularly helpful.

Thanks for any assistance.


* J. Mark Brooks, Attorney at Law  *
* P.O. Box 39, Randleman, NC 27317 *
* [EMAIL PROTECTED]  *
* ICQ# 33436248*
* http://www.jmbrooks.net/law.html *



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Re: pre-jdk117_v2 works fine - except for me :(

1999-05-17 Thread Moses DeJong

On Mon, 17 May 1999, Bernd Kreimeier wrote:

> Juergen Kreileder writes:
>  
>  >> I do not have the option to link against X11 libs directly. 
>  > That was my first solution...
> 
>  > With LD_PRELOAD all I have to do is 
>  > $ LD_PRELOAD="libXm.so" LD_BIND_NOW=true ./bug
> 
> bash-2.01$ LD_PRELOAD="libXm.so" LD_BIND_NOW=true ./bug
>./bug: error in loading shared libraries
>/opt/local/lib/libXm.so: undefined symbol: XtStrings
> 
>  > libXm.so is Metro Links' Motif 2.1 library.
> 
> Which I do not have. Frankly, it is nice of Metro to donate
> their Motif for building, but if that's supposed to say I have
> to buy it to get JDK to work, I am not too enthusiastic. What
> is the problem with Lesstif?
> 
> 
>  > $ ldd /usr/X11R6/lib/libXm.so
> 
> bash-2.01$ ldd /opt/local/lib/libXm.so
>   libc.so.6 => /lib/libc.so.6 (0x40164000)
>   /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x2000)

Here is what I use for the preload.

(Motif)

LD_PRELOAD="libXm.so libXpm.so libXt.so libSM.so libICE.so libXext.so
libX11.so"

(LessTif)

LD_PRELOAD="libXt.so libXm.so libXext.so"

later
mo
 
> Hmmm. Maybe that's the problem with Lesstif. Guess I have to
> take a closer look at a more recent release, and the way it 
> links. Anybody been down this road already?
> 
> 
>  > $ ldd ./bug
> 
>  libjava.so 
>   => /opt/local/java/jdk/lib/i586/native_threads/libjava.so (0x4001)
>  libc.so.6 => /lib/libc.so.6 (0x40075000)
>  libpthread.so.0 => /lib/libpthread.so.0 (0x4011c000)
>  libm.so.6 => /lib/libm.so.6 (0x40129000)
>  libdl.so.2 => /lib/libdl.so.2 (0x40142000)
>  /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x4000)
> 
> and no way to change this. In reality, it is even worse:
> I want to create a DLL that is loaded by an application 
> with the following fixed linkage:
> 
>  libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x4001)
>  libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x400b3000)
>  libdl.so.2 => /lib/libdl.so.2 (0x400c1000)
>  libm.so.6 => /lib/libm.so.6 (0x400c4000)
>  libc.so.6 => /lib/libc.so.6 (0x400dd000)
>  /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x4000)
> 
> This app will do dlopen("bug"), effectively. I have to link
> bug.so against libXm.so and libjava.so, and have to preload
> them when starting an application that doesn't use them. 
> 
>  > The preload of libjava.so should not be necessary with v2/v3
>  > because I've added an ld lock. 
> 
> OK. I got another bug program to test that ;-).
> 
> 
>  b.
> 
> 
> 
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Applets!

1999-05-17 Thread Rui Vale

Hello to everybody!!
My problem is that I needed to write on disk and
create/modify/delete files trow an applet. I tryed to make such an applet
but my efforts were garbage. If it is possible to create an applet to
perform those tasks, please let me know.

THANKS in advance.

Bye
Rui


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Re: Applets!

1999-05-17 Thread Denis Riedijk

On Mon, 17 May 1999, Rui Vale wrote:
>Hello to everybody!!
>   My problem is that I needed to write on disk and
>create/modify/delete files trow an applet. I tryed to make such an applet
>but my efforts were garbage. If it is possible to create an applet to
>perform those tasks, please let me know.
>

It can be done, but you need to make a signed applet. Than your applet won't
throw a security-exception

Dènis Riedijk


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plugin 1.1.2 + Window

1999-05-17 Thread pridemor

I'm trying to debug an app / applet that puts up a
SplashScreen (extends Window).  I can see the splash
screen fine as an application and with appletviewer, but
NOT with the 1.1.2. plugin in Netscape 4.5.  Any ideas?

This works on NT, but also fails on Solaris/Intel the same
as Linux.  I tried changing SplashScreen to extend Frame
as a workaround.  This works, but I really don't want the
window manager frame around it.  Looked in the Bug
Parade, but haven't found it yet...

Also, does anyone know why I get no Component events
from this Window?  I first thought it might be a timing issue
since the splash screen is displayed only briefly.  I put in
a ComponentListener and waited for "componentShown"
before continuing, but never received the event... :-(

Thanks In Advance,
Russ



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Re: pre-jdk117_v2 works fine - except for me :(

1999-05-17 Thread Bernd Kreimeier

Moses DeJong writes:
 > Here is what I use for the preloaod:
 > (LessTif)
 > LD_PRELOAD="libXt.so libXm.so libXext.so"

Been there. Doesn't do it.

I'll probably get me some potato packages next. Juergen
also told me some linkage will change for the better in 
the next release.


  b.



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Weird charAt() problem ...

1999-05-17 Thread Bernd Kreimeier


I don't quite know how to describe this. For a change,
this is not JNI related, pure Java. 

The problem: I made a mistake using String.charAt(8) on
strings that have only 8 characters max. set. 

  if (name.regionMatches(0,"texture",0,7)) {
if ((name.charAt(7)=='1') || (name.charAt(7)=='2')) //**
  return TYPE_TNAME;
  }

The marked line had the bug. Now, the weird thing is that
I get a NullPointerException way later, at a completely
unrelated spot of the program (where there is no null
around anywhere), even in debug mode. Fixing the line
removed the crash.

I am not sure what String.charAt(i) is supposed to do when
you apply it to a String too short, but this doesn't strike 
me as proper response. What amazes me most is that a bogus 
read access has delayed consequences. The strings in question
are created by using StringBuffer.toString() repeatedly
on the same buffer = new StringBuffer(12), and the code
above is (after some name.equals("someConst")) the first
access to the newly created string.


Any ideas?


  b.



P.S.: details & source on demand. I tested against 117v1a, 
v2, and v3, all native threads.



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Re: Problems with Swing-1.1.1beta2 under JDK1.1.7v3

1999-05-17 Thread Wolfgang Muees

Am Mon, 17 May 1999 schrieb Jonathan Mark Brooks:
> I have the JDK1.1.7v3 installed on a stock RH6.0 system.  My toplevel
> java directory is /home/java.  I have the latest version of TYA installed.
> JDK works fine.
> 
> I've downloaded and unzipped the swing-1.1.1beta2 version of Swing in
> my /home/java directory.  The toplevel swing directory is
> /home/java/swing-1.1.1beta2.
> 
> Using runnit, I can run the SwingSet example app, no problem.  However, I
> have difficulty compiling the source or running the Swing applet, it
> crashes with "class not found", referring to javax.
> 
> I have JAVA_HOME set to my toplevel java directory, and SWING_HOME set to
> my toplevel Swing directory.  What else to I need to do?

Putting swingall.jar in your CLASSPATH?

regards
Wolfgang


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Multiple Lined Tooltips?

1999-05-17 Thread Zhichao Hong

Hi,

I am wondering is that possible to create Mutiple line tooltips.  By
default, the swing is only able to display single line tooltips.


Any idea is much appreciated.

Zhichao

  
||   
| Zhichao Hong   |   
| Sun Certified Java Programmer (612) 694-2557  (o)  |
| Software Engineer (651) 647-6137  (h)  |  
| CES, Inc  [EMAIL PROTECTED]   |   
 _  ||  _
/ ) |   STAY IN TOUCH| ( \   
  _( (_ |  _  _  | _) )_ 
 (((\ \)|_/ )( \_|(/ /)))
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   \  /\  /  
\   _/  \_   /   
/__/  \__\


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RE: plugin 1.1.2 + Window

1999-05-17 Thread andrey

I've seen a workaround for this somewhere.
The idea was that security permission is checked when object gets created and
it is possible to deserialize window from serialized version saved from locally
running application. Sounds messy, but the idea is to avoid calling constructor.
I haven't tried this, but you may if you have time.
The disadvantage is that this code can run only on jdk 1.1 and >



On 17-May-99 [EMAIL PROTECTED] wrote:
> I'm trying to debug an app / applet that puts up a
> SplashScreen (extends Window).  I can see the splash
> screen fine as an application and with appletviewer, but
> NOT with the 1.1.2. plugin in Netscape 4.5.  Any ideas?
> 
> This works on NT, but also fails on Solaris/Intel the same
> as Linux.  I tried changing SplashScreen to extend Frame
> as a workaround.  This works, but I really don't want the
> window manager frame around it.  Looked in the Bug
> Parade, but haven't found it yet...
> 
> Also, does anyone know why I get no Component events
> from this Window?  I first thought it might be a timing issue
> since the splash screen is displayed only briefly.  I put in
> a ComponentListener and waited for "componentShown"
> before continuing, but never received the event... :-(
> 
> Thanks In Advance,
> Russ
> 
> 
> 
> --
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--
E-Mail: [EMAIL PROTECTED]
Date: 17-May-99
Time: 19:22:23


Andrey.
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Swing

1999-05-17 Thread Kristian Guillaumier

Hi,
  does anyone know where I can find a copy of Swing
for Linux? I've downloaded JDK 1.1.7 but can't find
Swing.

Regards
_
Do You Yahoo!?
Free instant messaging and more at http://messenger.yahoo.com


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Re: Swing

1999-05-17 Thread Chris Abbey

swing is pure java. http://java.sun.com/products/jfc/ should be a good start.

At 08:26 PM 5/17/99 -0700, Kristian Guillaumier wrote:
>Hi,
>  does anyone know where I can find a copy of Swing
>for Linux? I've downloaded JDK 1.1.7 but can't find
>Swing.


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Hi, pioneers!

1999-05-17 Thread Min-Shong Lin


Hi,
I am porting PersonalJava to Linux(on StrongARM).
Is there any mailing-list or group I can join to discuss with everyone
of you?

With Regrads,
-- 
Min-Shong Lin (ªL±Ó¶¯)
[EMAIL PROTECTED]http://www.csie.nctu.edu.tw/~minslin
X100, CCL, ITRI, Taiwan Phone: 886-3-5914611


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cannot run classfile

1999-05-17 Thread Dawei

hello everyone:
I had installed jdk1.2 v1 in my RH5.2 Box.
for the test, I created  a HelloWordApp.java, I  complie it and got a
HelloWordApp.class file.
But when I try to run it with $:::>java HellowordApp.class
following err message was appeared $:::>Exception in thread "main"
java.lang.NoClassDefFoundError: HelloWorldApp/class
can everyboby tell me WHY?


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Re: Delivering Java Apps

1999-05-17 Thread Chris Abbey

Missed this thread when it happened...

At 10:33 AM 5/16/99 -0400, Stephen Martin wrote:
[...]
>So my question is this, given a fairly simple java app (ie no native
>methods, no rmi, no jdbc...). What is the best way for an end user
>to run it without having it hog all the resources on their system.

Depends on who your end user is... some of the code I write is "shipped"
as a handfull of classes (possibly in a zip/jar) with directions that
basically say "put this in your classpath and run 'java foo.bar.app'".
Those tend to be aimed at people like yourself who would know a classpath
from a capacitor.

Others are wrappered in a combination of shell scripts for the *n*x world,
bat files for win9* lusers, cmd files for the WinNT crowd and various
other forms for the more esoteric platforms (i.e. CL programs) they
all do one basic thing... reduce the command line:

`jre -cp tweedle.jar;neato.jar -ms2M -mx8M -Dchesire=smilling
  com.corp.dept.applic arg1 arg2`

into

`applic arg1 arg2`

oh yeah, they also hide the fact that the user is running java
from all but the uber-geeks that go reading those scripts. :)

Which brings up another point, unless your application is targeted
to your fellow developers, use jre over java... not only are
you gaurenteed that if they have even a minimal runtime it'll work,
but (and someone please back me up or shut me up on this) I think
there is less overhead on the JRE runner than on the JAVA runner

At 12:12 PM 5/16/99 -0600, Godmar Back wrote:
[...]
>100% pure Java.  Those parts of Sun's libraries that are not 100% pure
>Java --- namely those relying on classes in sun.* --- don't usually
>work if they require native methods.  They sometimes don't even work if they
>do not require native methods, but use other backdoor interfaces.
>For instance, sun.io.CharToByteConverter is a classical example for an 
>undocumented interface implemented outside the Java API.  Sun does not 
>give you a way to implement your own converters.

The CharToByteConverter(s) are an implmentation detail of the sun.io
package, which is itself merely _one_implmentation_ of the java.io API.
I can tell you there ain't no rocket science going on in there
It is fairly obvious that some developer within Sun whilst putting together
their sun.io package decided "ya know, it sure would be a good OO design
point to put all this here code page conversion crap into a set of objects."
and whipped up the CharToByte and ByteToChar class hierarchy to abstract
all that out of the rest of thier code. If in the process of creating your
implmentation of the java.io API you feel you the same need then by all
means toss one together, odds are you would spend less time creating one
tuned to your impl than you would addapting your impl to the way thier
conversions are coded. (not to say there is anything wrong with Sun's,
just that no designers would come up with the same non-trivial interface.)
On the other hand, if you want to use them yourself for whatever you're
writting . . . well I guess I'd have to ask why anyone out side of the io
implmenters would care what codepage they were in. Long live UNICODE! -=Chris


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Re: Delivering Java Apps

1999-05-17 Thread Nathan Meyers

You might want to rethink this advice. "jre" goes away in 1.2; "java" is the
correct invocation... it even accepts the -cp option in 1.2.

Nathan

- Original Message -
From: Chris Abbey <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, May 17, 1999 9:36 PM
Subject: Re: Delivering Java Apps


> Which brings up another point, unless your application is targeted
> to your fellow developers, use jre over java... not only are
> you gaurenteed that if they have even a minimal runtime it'll work,
> but (and someone please back me up or shut me up on this) I think
> there is less overhead on the JRE runner than on the JAVA runner



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Multiple Lined Tooltips?

1999-05-17 Thread Paul Michael Reilly

Zhichao Hong writes:
 > Hi,
 > 
 > I am wondering is that possible to create Mutiple line tooltips.  By
 > default, the swing is only able to display single line tooltips.
 > 
 > 
 > Any idea is much appreciated.

I saw that JLabel and JText support a  prefix followed by HTML
modifiers in the string they are rendering.  I suspect this works for
tooltips too.  It is documented in the Swing 1.1 beta2 release.  I
don't know if it is in JDK 1.2.1 yet.  I think not.  No doubt someone
will cheerfully correct me if I'm wrong. :-)

-pmr


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Re: Swing

1999-05-17 Thread Ernst de Haan

Check out JavaSoft, 'cause Swing is Platform Independent =)

The URI is:

   http://java.sun.com/products/jfc/

GreetinX++, Ernst

Kristian Guillaumier wrote:
> 
> Hi,
>   does anyone know where I can find a copy of Swing
> for Linux? I've downloaded JDK 1.1.7 but can't find
> Swing.
> 
> Regards
> _
> Do You Yahoo!?
> Free instant messaging and more at http://messenger.yahoo.com
> 
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Question concerning 1.2?

1999-05-17 Thread Matthew Brown

Hello,
Sorry if I am emailing to wrong person..I have just installed and
configured OpenLinux 2.2(which ships with glibc2.1) and I noticed that
after I d/led your port I noticed that it wouldn't install and then I
realized that you all haven't compiled it yet for 2.1 and I was
wondering what kind of time frame will it be until then.  Don't worry I
will keep using your 1.1.7B until then..Linux will be my development
platform compared to Win98(just wished Sun would fully support Linux..)

Sincerly,
Matt Brown


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Re: Swing

1999-05-17 Thread Wim Ceulemans

>  does anyone know where I can find a copy of Swing
>for Linux? I've downloaded JDK 1.1.7 but can't find
>Swing.
>
Swing is 100% pure java

Wim


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