10-19-2004
Just download JDK from Sun Microsystems and set it up manually.
As I said, gcj doesn't have (good) support of Swing/AWT.
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LEARN ABOUT REDHAT
jcf-dump
JCF-DUMP(1) GNU JCF-DUMP(1)
NAME
jcf-dump - print information about Java class files
SYNOPSIS
jcf-dump [-c] [--javap]
[--classpath=path] [--CLASSPATH=path]
[-Idir...] [-o file]
[--version] [--help] [-v] [--verbose]
classname...
DESCRIPTION
This is a class file examiner, similar to "javap". It will print information about a number of classes, which are specifed by class name
or file name.
OPTIONS
-c Disassemble method bodies. By default method bodies are not printed.
--javap
Generate output in "javap" format. The implementation of this feature is very incomplete.
--classpath=path
--CLASSPATH=path
-Idirectory
-o file
These options as the same as the corresponding gcj options.
--help
Print help, then exit.
--version
Print version number, then exit.
-v, --verbose
Print extra information while running.
SEE ALSO
gcc(1), gcj(1), gcjh(1), gij(1), jcf-dump(1), gfdl(7), and the Info entries for gcj and gcc.
COPYRIGHT
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or
any later version published by the Free Software Foundation; with the Invariant Sections being ``GNU General Public License'', the Front-
Cover texts being (a) (see below), and with the Back-Cover Texts being (b) (see below). A copy of the license is included in the man page
gfdl(7).
gcc-3.2.2 2003-02-25 JCF-DUMP(1)