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Crowdsourcing a Complete list of Common Java System Properties and Known Values

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我在风中等你
我在风中等你 2020-12-04 14:48

I\'ve been inspired by another question: Best Practice for Using Java System Properties

I\'m currently looking for a complete list of Java system properties

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  • 滥情空心
    2020-12-04 15:19

    Windows workstation:

    FILE_ENCODING: file.encoding=Cp1252 (read-only)
FILE_ENCODING_PKG: file.encoding.pkg=sun.io (read-only)
FILE_SEPARATOR: file.separator=\ (read-only)
JAVA_AWT_GRAPHICSENV: java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment (read-only)
JAVA_AWT_PRINTERJOB: java.awt.printerjob=sun.awt.windows.WPrinterJob (read-only)
JAVA_CLASS_PATH: java.class.path=. (read-only)
JAVA_CLASS_VERSION: java.class.version=50.0 (read-only)
JAVA_ENDORSED_DIRS: java.endorsed.dirs=c:\jdk1.6.0_14\jre\lib\endorsed (read-only)
JAVA_EXT_DIRS: java.ext.dirs=c:\jdk1.6.0_14\jre\lib\ext;C:\WINDOWS\Sun\Java\lib\ext (read-only)
JAVA_HOME: java.home=c:\jdk1.6.0_14\jre (read-only)
JAVA_IO_TMPDIR: java.io.tmpdir=C:\DOCUME~1\alex\LOCALS~1\Temp\
JAVA_LIBRARY_PATH: java.library.path=c:\jdk1.6.0_14\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\cygwin\usr\local\bin;C:\cygwin\bin;C:\cygwin\bin;C:\cygwin\usr\X11R6\bin;C:\cygwin\home\alex\bin;c:\windows\system32;c:\vslick\win;c:\ruby\bin;c:\cvs (read-only)
JAVA_RUNTIME_NAME: java.runtime.name=Java(TM) SE Runtime Environment (read-only)
JAVA_RUNTIME_VERSION: java.runtime.version=1.6.0_14-b08 (read-only)
JAVA_SPECIFICATION_NAME: java.specification.name=Java Platform API Specification (read-only)
JAVA_SPECIFICATION_VENDOR: java.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_SPECIFICATION_VERSION: java.specification.version=1.6 (read-only)
JAVA_VERSION: java.version=1.6.0_14 (read-only)
JAVA_VENDOR: java.vendor=Sun Microsystems Inc. (read-only)
JAVA_VENDOR_URL: java.vendor.url=http://java.sun.com/ (read-only)
JAVA_VENDOR_URL_BUG: java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport.cgi (read-only)
JAVA_VM_INFO: java.vm.info=mixed mode, sharing (read-only)
JAVA_VM_NAME: java.vm.name=Java HotSpot(TM) Client VM (read-only)
JAVA_VM_SPECIFICATION_NAME: java.vm.specification.name=Java Virtual Machine Specification (read-only)
JAVA_VM_SPECIFICATION_VENDOR: java.vm.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_VM_SPECIFICATION_VERSION: java.vm.specification.version=1.0 (read-only)
JAVA_VM_VERSION: java.vm.version=14.0-b16 (read-only)
JAVA_VM_VENDOR: java.vm.vendor=Sun Microsystems Inc. (read-only)
LINE_SEPARATOR: line.separator=
 (read-only)
OS_NAME: os.name=Windows XP (read-only)
OS_ARCH: os.arch=x86 (read-only)
OS_VERSION: os.version=5.1 (read-only)
PATH_SEPARATOR: path.separator=; (read-only)
SUN_ARCH_DATA_MODEL: sun.arch.data.model=32 (read-only)
SUN_BOOT_CLASS_PATH: sun.boot.class.path=c:\jdk1.6.0_14\jre\lib\resources.jar;c:\jdk1.6.0_14\jre\lib\rt.jar;c:\jdk1.6.0_14\jre\lib\sunrsasign.jar;c:\jdk1.6.0_14\jre\lib\jsse.jar;c:\jdk1.6.0_14\jre\lib\jce.jar;c:\jdk1.6.0_14\jre\lib\charsets.jar;c:\jdk1.6.0_14\jre\classes (read-only)
SUN_BOOT_LIBRARY_PATH: sun.boot.library.path=c:\jdk1.6.0_14\jre\bin (read-only)
SUN_CPU_ENDIAN: sun.cpu.endian=little (read-only)
SUN_CPU_ISALIST: sun.cpu.isalist=pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86 (read-only)
SUN_IO_UNICODE_ENCODING: sun.io.unicode.encoding=UnicodeLittle (read-only)
SUN_JAVA_LAUNCHER: sun.java.launcher=SUN_STANDARD (read-only)
SUN_JNU_ENCODING: sun.jnu.encoding=Cp1252 (read-only)
SUN_MANAGEMENT_COMPILER: sun.management.compiler=HotSpot Client Compiler (read-only)
SUN_OS_PATCH_LEVEL: sun.os.patch.level=Service Pack 3 (read-only)
USER_COUNTRY: user.country=US (read-only)
USER_DIR: user.dir=C:\cygwin\home\alex (read-only)
USER_HOME: user.home=C:\Documents and Settings\alex (read-only)
USER_LANGUAGE: user.language=en (read-only)
USER_NAME: user.name=alex (read-only)
USER_TIMEZONE: user.timezone= (read-only)
SUN_DESKTOP: sun.desktop=windows (read-only)
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
AWT_TOOLKIT: awt.toolkit=sun.awt.windows.WToolkit (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)


### UNKNOWN
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)


### MISSING
user.variant=


### PLEASE POST THIS AT ${url.goes.here}
    /**
     * Windows XP only: known values: 
     */
    USER_VARIANT("user.variant"),

    CentOS workstation:

    FILE_ENCODING: file.encoding=UTF-8 (read-only)
FILE_ENCODING_PKG: file.encoding.pkg=sun.io (read-only)
FILE_SEPARATOR: file.separator=/ (read-only)
JAVA_AWT_GRAPHICSENV: java.awt.graphicsenv=sun.awt.X11GraphicsEnvironment (read-only)
JAVA_AWT_PRINTERJOB: java.awt.printerjob=sun.print.PSPrinterJob (read-only)
JAVA_CLASS_PATH: java.class.path=. (read-only)
JAVA_CLASS_VERSION: java.class.version=50.0 (read-only)
JAVA_ENDORSED_DIRS: java.endorsed.dirs=/usr/java/jdk1.6.0_11/jre/lib/endorsed (read-only)
JAVA_EXT_DIRS: java.ext.dirs=/usr/java/jdk1.6.0_11/jre/lib/ext:/usr/java/packages/lib/ext (read-only)
JAVA_HOME: java.home=/usr/java/jdk1.6.0_11/jre (read-only)
JAVA_IO_TMPDIR: java.io.tmpdir=/tmp/
JAVA_LIBRARY_PATH: java.library.path=/usr/java/jdk1.6.0_11/jre/lib/amd64/server:/usr/java/jdk1.6.0_11/jre/lib/amd64:/usr/java/jdk1.6.0_11/jre/../lib/amd64:/usr/java/packages/lib/amd64:/lib:/usr/lib (read-only)
JAVA_RUNTIME_NAME: java.runtime.name=Java(TM) SE Runtime Environment (read-only)
JAVA_RUNTIME_VERSION: java.runtime.version=1.6.0_11-b03 (read-only)
JAVA_SPECIFICATION_NAME: java.specification.name=Java Platform API Specification (read-only)
JAVA_SPECIFICATION_VENDOR: java.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_SPECIFICATION_VERSION: java.specification.version=1.6 (read-only)
JAVA_VERSION: java.version=1.6.0_11 (read-only)
JAVA_VENDOR: java.vendor=Sun Microsystems Inc. (read-only)
JAVA_VENDOR_URL: java.vendor.url=http://java.sun.com/ (read-only)
JAVA_VENDOR_URL_BUG: java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport.cgi (read-only)
JAVA_VM_INFO: java.vm.info=mixed mode (read-only)
JAVA_VM_NAME: java.vm.name=Java HotSpot(TM) 64-Bit Server VM (read-only)
JAVA_VM_SPECIFICATION_NAME: java.vm.specification.name=Java Virtual Machine Specification (read-only)
JAVA_VM_SPECIFICATION_VENDOR: java.vm.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_VM_SPECIFICATION_VERSION: java.vm.specification.version=1.0 (read-only)
JAVA_VM_VERSION: java.vm.version=11.0-b16 (read-only)
JAVA_VM_VENDOR: java.vm.vendor=Sun Microsystems Inc. (read-only)
LINE_SEPARATOR: line.separator=
 (read-only)
OS_NAME: os.name=Linux (read-only)
OS_ARCH: os.arch=amd64 (read-only)
OS_VERSION: os.version=2.6.18-164.6.1.el5xen (read-only)
PATH_SEPARATOR: path.separator=: (read-only)
SUN_ARCH_DATA_MODEL: sun.arch.data.model=64 (read-only)
SUN_BOOT_CLASS_PATH: sun.boot.class.path=/usr/java/jdk1.6.0_11/jre/lib/resources.jar:/usr/java/jdk1.6.0_11/jre/lib/rt.jar:/usr/java/jdk1.6.0_11/jre/lib/sunrsasign.jar:/usr/java/jdk1.6.0_11/jre/lib/jsse.jar:/usr/java/jdk1.6.0_11/jre/lib/jce.jar:/usr/java/jdk1.6.0_11/jre/lib/charsets.jar:/usr/java/jdk1.6.0_11/jre/classes (read-only)
SUN_BOOT_LIBRARY_PATH: sun.boot.library.path=/usr/java/jdk1.6.0_11/jre/lib/amd64 (read-only)
SUN_CPU_ENDIAN: sun.cpu.endian=little (read-only)
SUN_CPU_ISALIST: sun.cpu.isalist= (read-only)
SUN_IO_UNICODE_ENCODING: sun.io.unicode.encoding=UnicodeLittle (read-only)
SUN_JAVA_LAUNCHER: sun.java.launcher=SUN_STANDARD (read-only)
SUN_JNU_ENCODING: sun.jnu.encoding=UTF-8 (read-only)
SUN_MANAGEMENT_COMPILER: sun.management.compiler=HotSpot 64-Bit Server Compiler (read-only)
SUN_OS_PATCH_LEVEL: sun.os.patch.level=unknown (read-only)
USER_COUNTRY: user.country=US (read-only)
USER_DIR: user.dir=/tmp (read-only)
USER_HOME: user.home=/root (read-only)
USER_LANGUAGE: user.language=en (read-only)
USER_NAME: user.name=root (read-only)
USER_TIMEZONE: user.timezone= (read-only)
SUN_DESKTOP: sun.desktop=null (read-only)
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
AWT_TOOLKIT: awt.toolkit=null (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)


### UNKNOWN
SUN_DESKTOP: sun.desktop=null (read-only)
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
AWT_TOOLKIT: awt.toolkit=null (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)
    0 讨论(0)
  • 被撕碎了的回忆
    2020-12-04 15:20

    JRockit

    • java version "1.6.0_05"
    • Java(TM) SE Runtime Environment (build 1.6.0_05-b13)
    • BEA JRockit(R) (build R27.6.0-50_o-100423-1.6.0_05-20080626-2105-windows-ia32, compiled mode)
    
### MISSING
java.vm.vendor.url=http://www.bea.com/
java.vm.vendor.url.bug=http://edocs.bea.com/jrockit/go2troubleshooting.html


### PLEASE POST FULL OUTPUT AT http://j.mp/props0 or http://j.mp/props1
    /**
     * Windows XP only: known values: http://www.bea.com/
     */
    JAVA_VM_VENDOR_URL("java.vm.vendor.url"),
    /**
     * Windows XP only: known values: http://edocs.bea.com/jrockit/go2troubleshooting.html
     */
    JAVA_VM_VENDOR_URL_BUG("java.vm.vendor.url.bug"),

    Apache Harmony

    • Apache Harmony Launcher : (c) Copyright 1991, 2009 The Apache Software Foundation or its licensors, as applicable.
    • java version "1.5.0"
    • Apache Harmony (1.5.0)
    • DRLVM (11.2.0)
    • pre-alpha : not complete or compatible
    • svn = r885602, (Dec 1 2009), Windows/ia32/msvc 1500, release build
    • http://harmony.apache.org
    
### MISSING
java.tmpdir=C:\...\Temp
javax.xml.transform.TransformerFactory=org.apache.xalan.xsltc.trax.TransformerFactoryImpl
org.apache.harmony.boot.class.path=C:\harmony-5.0-jre-885602\lib\boot\accessibility.jar;C:\harmony-5.0-jre-885602\lib\boot\annotation.jar;C:\harmony-5.0-jre-885602\lib\boot\applet.jar;C:\harmony-5.0-jre-885602\lib\boot\archive.jar;C:\harmony-5.0-jre-885602\lib\boot\auth.jar;C:\harmony-5.0-jre-885602\lib\boot\awt.jar;C:\harmony-5.0-jre-885602\lib\boot\beans.jar;C:\harmony-5.0-jre-885602\lib\boot\concurrent.jar;C:\harmony-5.0-jre-885602\lib\boot\crypto.jar;C:\harmony-5.0-jre-885602\lib\boot\imageio.jar;C:\harmony-5.0-jre-885602\lib\boot\instrument.jar;C:\harmony-5.0-jre-885602\lib\boot\jndi.jar;C:\harmony-5.0-jre-885602\lib\boot\lang-management.jar;C:\harmony-5.0-jre-885602\lib\boot\logging.jar;C:\harmony-5.0-jre-885602\lib\boot\luni.jar;C:\harmony-5.0-jre-885602\lib\boot\math.jar;C:\harmony-5.0-jre-885602\lib\boot\nio.jar;C:\harmony-5.0-jre-885602\lib\boot\nio_char.jar;C:\harmony-5.0-jre-885602\lib\boot\prefs.jar;C:\harmony-5.0-jre-885602\lib\boot\print.jar;C:\harmony-5.0-jre-885602\lib\boot\regex.jar;C:\harmony-5.0-jre-885602\lib\boot\rmi.jar;C:\harmony-5.0-jre-885602\lib\boot\security.jar;C:\harmony-5.0-jre-885602\lib\boot\sound.jar;C:\harmony-5.0-jre-885602\lib\boot\sql.jar;C:\harmony-5.0-jre-885602\lib\boot\swing.jar;C:\harmony-5.0-jre-885602\lib\boot\text.jar;C:\harmony-5.0-jre-885602\lib\boot\x_mgt.jar;C:\harmony-5.0-jre-885602\lib\boot\x-net.jar;C:\harmony-5.0-jre-885602\lib\boot\xml.jar;C:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1/icu4j-4_2_1.jar;C:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1/icu4j-charsets-4_2_1.jar;C:\harmony-5.0-jre-885602\lib\boot\xalan-j_2.7.0/xalan.jar;C:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1/resolver.jar;C:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1/xercesImpl.jar;C:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1/xml-apis.jar;C:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2/mx4j.jar;C:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2/mx4j-remote.jar;C:\harmony-5.0-jre-885602\lib\boot\misc.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko-core.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko-rmi-spec.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko-rmi-impl.jar;C:\harmony-5.0-jre-885602\lib\boot\bcel-5.2/bcel-5.2.jar;C:\harmony-5.0-jre-885602\lib\boot\pack200.jar;C:\harmony-5.0-jre-885602\lib\boot\asm-3.1/asm-3.1.jar
org.apache.harmony.vm.vmdir=c:\harmony-5.0-jre-885602\bin\default
vm.boot.class.path=c:\harmony-5.0-jre-885602\bin\default\gc_gen.jar;c:\harmony-5.0-jre-885602\bin\default\kernel.jar;c:\harmony-5.0-jre-885602\bin\default\vmmagic-20070207.jar;c:\harmony-5.0-jre-885602\bin\default\antlr-2.7.5.jar;c:\harmony-5.0-jre-885602\lib\boot\accessibility.jar;c:\harmony-5.0-jre-885602\lib\boot\annotation.jar;c:\harmony-5.0-jre-885602\lib\boot\applet.jar;c:\harmony-5.0-jre-885602\lib\boot\archive.jar;c:\harmony-5.0-jre-885602\lib\boot\auth.jar;c:\harmony-5.0-jre-885602\lib\boot\awt.jar;c:\harmony-5.0-jre-885602\lib\boot\beans.jar;c:\harmony-5.0-jre-885602\lib\boot\concurrent.jar;c:\harmony-5.0-jre-885602\lib\boot\crypto.jar;c:\harmony-5.0-jre-885602\lib\boot\imageio.jar;c:\harmony-5.0-jre-885602\lib\boot\instrument.jar;c:\harmony-5.0-jre-885602\lib\boot\jndi.jar;c:\harmony-5.0-jre-885602\lib\boot\lang-management.jar;c:\harmony-5.0-jre-885602\lib\boot\logging.jar;c:\harmony-5.0-jre-885602\lib\boot\luni.jar;c:\harmony-5.0-jre-885602\lib\boot\math.jar;c:\harmony-5.0-jre-885602\lib\boot\nio.jar;c:\harmony-5.0-jre-885602\lib\boot\nio_char.jar;c:\harmony-5.0-jre-885602\lib\boot\prefs.jar;c:\harmony-5.0-jre-885602\lib\boot\print.jar;c:\harmony-5.0-jre-885602\lib\boot\regex.jar;c:\harmony-5.0-jre-885602\lib\boot\rmi.jar;c:\harmony-5.0-jre-885602\lib\boot\security.jar;c:\harmony-5.0-jre-885602\lib\boot\sound.jar;c:\harmony-5.0-jre-885602\lib\boot\sql.jar;c:\harmony-5.0-jre-885602\lib\boot\swing.jar;c:\harmony-5.0-jre-885602\lib\boot\text.jar;c:\harmony-5.0-jre-885602\lib\boot\x-net.jar;c:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1\icu4j-4_2_1.jar;c:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1\icu4j-charsets-4_2_1.jar;c:\harmony-5.0-jre-885602\lib\boot\xalan-j_2.7.0\xalan.jar;c:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1\resolver.jar;c:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1\xercesimpl.jar;c:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1\xml-apis.jar;c:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2\mx4j.jar;c:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2\mx4j-remote.jar;c:\harmony-5.0-jre-885602\lib\boot\misc.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko-core.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko-rmi-spec.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko-rmi-impl.jar;c:\harmony-5.0-jre-885602\lib\boot\bcel-5.2\bcel-5.2.jar;c:\harmony-5.0-jre-885602\lib\boot\pack200.jar;c:\harmony-5.0-jre-885602\lib\boot\asm-3.1\asm-3.1.jar
vm.boot.library.path=c:\harmony-5.0-jre-885602\bin\default;c:\harmony-5.0-jre-885602\bin


### PLEASE POST FULL OUTPUT AT http://j.mp/props0 or http://j.mp/props1
    /**
     * Windows XP only: known values: C:\..\Temp
     */
    JAVA_TMPDIR("java.tmpdir"),
    /**
     * Windows XP only: known values: org.apache.xalan.xsltc.trax.TransformerFactoryImpl
     */
    JAVAX_XML_TRANSFORM__TRANSFORMER_FACTORY("javax.xml.transform.TransformerFactory"),
    /**
     * Windows XP only: known values: C:\harmony-5.0-jre-885602\lib\boot\accessibility.jar;C:\harmony-5.0-jre-885602\lib\boot\annotation.jar;C:\harmony-5.0-jre-885602\lib\boot\applet.jar;C:\harmony-5.0-jre-885602\lib\boot\archive.jar;C:\harmony-5.0-jre-885602\lib\boot\auth.jar;C:\harmony-5.0-jre-885602\lib\boot\awt.jar;C:\harmony-5.0-jre-885602\lib\boot\beans.jar;C:\harmony-5.0-jre-885602\lib\boot\concurrent.jar;C:\harmony-5.0-jre-885602\lib\boot\crypto.jar;C:\harmony-5.0-jre-885602\lib\boot\imageio.jar;C:\harmony-5.0-jre-885602\lib\boot\instrument.jar;C:\harmony-5.0-jre-885602\lib\boot\jndi.jar;C:\harmony-5.0-jre-885602\lib\boot\lang-management.jar;C:\harmony-5.0-jre-885602\lib\boot\logging.jar;C:\harmony-5.0-jre-885602\lib\boot\luni.jar;C:\harmony-5.0-jre-885602\lib\boot\math.jar;C:\harmony-5.0-jre-885602\lib\boot\nio.jar;C:\harmony-5.0-jre-885602\lib\boot\nio_char.jar;C:\harmony-5.0-jre-885602\lib\boot\prefs.jar;C:\harmony-5.0-jre-885602\lib\boot\print.jar;C:\harmony-5.0-jre-885602\lib\boot\regex.jar;C:\harmony-5.0-jre-885602\lib\boot\rmi.jar;C:\harmony-5.0-jre-885602\lib\boot\security.jar;C:\harmony-5.0-jre-885602\lib\boot\sound.jar;C:\harmony-5.0-jre-885602\lib\boot\sql.jar;C:\harmony-5.0-jre-885602\lib\boot\swing.jar;C:\harmony-5.0-jre-885602\lib\boot\text.jar;C:\harmony-5.0-jre-885602\lib\boot\x_mgt.jar;C:\harmony-5.0-jre-885602\lib\boot\x-net.jar;C:\harmony-5.0-jre-885602\lib\boot\xml.jar;C:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1/icu4j-4_2_1.jar;C:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1/icu4j-charsets-4_2_1.jar;C:\harmony-5.0-jre-885602\lib\boot\xalan-j_2.7.0/xalan.jar;C:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1/resolver.jar;C:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1/xercesImpl.jar;C:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1/xml-apis.jar;C:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2/mx4j.jar;C:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2/mx4j-remote.jar;C:\harmony-5.0-jre-885602\lib\boot\misc.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko-core.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko-rmi-spec.jar;C:\harmony-5.0-jre-885602\lib\boot\yoko-1.0/yoko-rmi-impl.jar;C:\harmony-5.0-jre-885602\lib\boot\bcel-5.2/bcel-5.2.jar;C:\harmony-5.0-jre-885602\lib\boot\pack200.jar;C:\harmony-5.0-jre-885602\lib\boot\asm-3.1/asm-3.1.jar
     */
    ORG_APACHE_HARMONY_BOOT_CLASS_PATH("org.apache.harmony.boot.class.path"),
    /**
     * Windows XP only: known values: c:\harmony-5.0-jre-885602\bin\default
     */
    ORG_APACHE_HARMONY_VM_VMDIR("org.apache.harmony.vm.vmdir"),
    /**
     * Windows XP only: known values: c:\harmony-5.0-jre-885602\bin\default\gc_gen.jar;c:\harmony-5.0-jre-885602\bin\default\kernel.jar;c:\harmony-5.0-jre-885602\bin\default\vmmagic-20070207.jar;c:\harmony-5.0-jre-885602\bin\default\antlr-2.7.5.jar;c:\harmony-5.0-jre-885602\lib\boot\accessibility.jar;c:\harmony-5.0-jre-885602\lib\boot\annotation.jar;c:\harmony-5.0-jre-885602\lib\boot\applet.jar;c:\harmony-5.0-jre-885602\lib\boot\archive.jar;c:\harmony-5.0-jre-885602\lib\boot\auth.jar;c:\harmony-5.0-jre-885602\lib\boot\awt.jar;c:\harmony-5.0-jre-885602\lib\boot\beans.jar;c:\harmony-5.0-jre-885602\lib\boot\concurrent.jar;c:\harmony-5.0-jre-885602\lib\boot\crypto.jar;c:\harmony-5.0-jre-885602\lib\boot\imageio.jar;c:\harmony-5.0-jre-885602\lib\boot\instrument.jar;c:\harmony-5.0-jre-885602\lib\boot\jndi.jar;c:\harmony-5.0-jre-885602\lib\boot\lang-management.jar;c:\harmony-5.0-jre-885602\lib\boot\logging.jar;c:\harmony-5.0-jre-885602\lib\boot\luni.jar;c:\harmony-5.0-jre-885602\lib\boot\math.jar;c:\harmony-5.0-jre-885602\lib\boot\nio.jar;c:\harmony-5.0-jre-885602\lib\boot\nio_char.jar;c:\harmony-5.0-jre-885602\lib\boot\prefs.jar;c:\harmony-5.0-jre-885602\lib\boot\print.jar;c:\harmony-5.0-jre-885602\lib\boot\regex.jar;c:\harmony-5.0-jre-885602\lib\boot\rmi.jar;c:\harmony-5.0-jre-885602\lib\boot\security.jar;c:\harmony-5.0-jre-885602\lib\boot\sound.jar;c:\harmony-5.0-jre-885602\lib\boot\sql.jar;c:\harmony-5.0-jre-885602\lib\boot\swing.jar;c:\harmony-5.0-jre-885602\lib\boot\text.jar;c:\harmony-5.0-jre-885602\lib\boot\x-net.jar;c:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1\icu4j-4_2_1.jar;c:\harmony-5.0-jre-885602\lib\boot\icu4j_4.2.1\icu4j-charsets-4_2_1.jar;c:\harmony-5.0-jre-885602\lib\boot\xalan-j_2.7.0\xalan.jar;c:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1\resolver.jar;c:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1\xercesimpl.jar;c:\harmony-5.0-jre-885602\lib\boot\xerces_2.9.1\xml-apis.jar;c:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2\mx4j.jar;c:\harmony-5.0-jre-885602\lib\boot\mx4j_3.0.2\mx4j-remote.jar;c:\harmony-5.0-jre-885602\lib\boot\misc.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko-core.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko-rmi-spec.jar;c:\harmony-5.0-jre-885602\lib\boot\yoko-1.0\yoko-rmi-impl.jar;c:\harmony-5.0-jre-885602\lib\boot\bcel-5.2\bcel-5.2.jar;c:\harmony-5.0-jre-885602\lib\boot\pack200.jar;c:\harmony-5.0-jre-885602\lib\boot\asm-3.1\asm-3.1.jar
     */
    VM_BOOT_CLASS_PATH("vm.boot.class.path"),
    /**
     * Windows XP only: known values: c:\harmony-5.0-jre-885602\bin\default;c:\harmony-5.0-jre-885602\bin
     */
    VM_BOOT_LIBRARY_PATH("vm.boot.library.path"),
    0 讨论(0)
  • 情深已故
    2020-12-04 15:20

    List all your by:

    System.getProperties().list(System.out);
    0 讨论(0)
  • 心在旅途
    2020-12-04 15:21 
    #IBM 1.4 win32
#Thu Nov 26 15:21:36 GMT 2009
java.assistive=ON
java.runtime.name=Java(TM) 2 Runtime Environment, Standard Edition
sun.boot.library.path=Z\:\\path\\jre-j91.4.2\\bin
java.vm.version=1.4.2
java.vm.vendor=IBM Corporation
java.vendor.url=http\://www.ibm.com/
path.separator=;
java.vm.name=Classic VM
file.encoding.pkg=sun.io
user.country=GB
sun.os.patch.level=Service Pack 3
java.vm.specification.name=Java Virtual Machine Specification
user.dir=C\:\\somepath\\Props
java.runtime.version=1.4.2
java.fullversion=J2RE 1.4.2 IBM Windows 32 build cn142-20040926 (JIT enabled\: jitc)
java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs=Z\:\\path\\jre-j91.4.2\\lib\\endorsed
os.arch=x86
com.ibm.vm.bitmode=32
java.io.tmpdir=C\:\\DOCUME~1\\AUser\\LOCALS~1\\Temp\\
line.separator=\r\n
java.vm.specification.vendor=Sun Microsystems Inc.
user.variant=
java.awt.fonts=
os.name=Windows XP
sun.java2d.fontpath=
java.library.path=Z\:\\path\\jre-j91.4.2\\bin;.;C\:\\WINDOWS\\system32;C\:\\WINDOWS;C\:\\WINDOWS\\system32;C\:\\WINDOWS;C\:\\WINDOWS\\System32\\Wbem
java.specification.name=Java Platform API Specification
java.class.version=48.0
ibm.system.encoding=Cp1252
invokedviajava=
java.util.prefs.PreferencesFactory=java.util.prefs.WindowsPreferencesFactory
os.version=5.1
user.home=C\:\\Documents and Settings\\AUser
user.timezone=Europe/London
java.awt.printerjob=sun.awt.windows.WPrinterJob
file.encoding=Cp1252
java.specification.version=1.4
java.class.path=C\:\\path\\Props\\bin
user.name=AUser
java.vm.specification.version=1.0
java.home=Z\:\\path\\jre-j91.4.2
sun.arch.data.model=32
user.language=en
java.specification.vendor=Sun Microsystems Inc.
awt.toolkit=sun.awt.windows.WToolkit
java.vm.info=J2RE 1.4.2 IBM Windows 32 build cn142-20040926 (JIT enabled\: jitc)
java.version=1.4.2
java.ext.dirs=Z\:\\path\\jre-j91.4.2\\lib\\ext
sun.boot.class.path=Z\:\\path\\jre-j91.4.2\\lib\\core.jar;Z\:\\path\\jre-j91.4.2\\lib\\graphics.jar;Z\:\\path\\jre-j91.4.2\\lib\\security.jar;Z\:\\path\\jre-j91.4.2\\lib\\server.jar;Z\:\\path\\jre-j91.4.2\\lib\\xml.jar;Z\:\\path\\jre-j91.4.2\\lib\\charsets.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmcertpathprovider.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmjaasactivelm.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmjaaslm.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmjcefw.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmjgssprovider.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmjssefips.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmjsseprovider.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmorb.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmorbapi.jar;Z\:\\path\\jre-j91.4.2\\lib\\ibmpkcs.jar
java.vendor=IBM Corporation
file.separator=\\
java.vendor.url.bug=
java.compiler=jitc
sun.io.unicode.encoding=UnicodeLittle
    0 讨论(0)
  • 一生所求
    2020-12-04 15:23

    From the javadoc of System.getProperties, only these are guaranteed:

    java.version - Java Runtime Environment version 
java.vendor - Java Runtime Environment vendor 
java.vendor.url - Java vendor URL 
java.home Java - installation directory 
java.vm.specification.version - Java Virtual Machine specification version 
java.vm.specification.vendor - Java Virtual Machine specification vendor 
java.vm.specification.name - Java Virtual Machine specification name 
java.vm.version - Java Virtual Machine implementation version 
java.vm.vendor - Java Virtual Machine implementation vendor 
java.vm.name - Java Virtual Machine implementation name 
java.specification.version - Java Runtime Environment specification version 
java.specification.vendor - Java Runtime Environment specification vendor 
java.specification.name - Java Runtime Environment specification name 
java.class.version - Java class format version number 
java.class.path - Java class path 
java.library.path - List of paths to search when loading libraries 
java.io.tmpdir - Default temp file path 
java.compiler - Name of JIT compiler to use 
java.ext.dirs - Path of extension directory or directories 
os.name - Operating system name 
os.arch - Operating system architecture 
os.version - Operating system version 
file.separator - File separator ("/" on UNIX) 
path.separator - Path separator (":" on UNIX) 
line.separator - Line separator ("\n" on UNIX) 
user.name - User's account name 
user.home - User's home directory 
user.dir - User's current working directory
    0 讨论(0)
  • 攒了一身酷
    2020-12-04 15:30

    Here's the output from a 64-bit Linux (Fedora 11), Sun Java:

    FILE_ENCODING: file.encoding=UTF-8 (read-only)
FILE_ENCODING_PKG: file.encoding.pkg=sun.io (read-only)
FILE_SEPARATOR: file.separator=/ (read-only)
JAVA_AWT_GRAPHICSENV: java.awt.graphicsenv=sun.awt.X11GraphicsEnvironment (read-only)
JAVA_AWT_PRINTERJOB: java.awt.printerjob=sun.print.PSPrinterJob (read-only)
JAVA_CLASS_PATH: java.class.path=. (read-only)
JAVA_CLASS_VERSION: java.class.version=50.0 (read-only)
JAVA_ENDORSED_DIRS: java.endorsed.dirs=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/endorsed (read-only)
JAVA_EXT_DIRS: java.ext.dirs=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/ext:/usr/java/packages/lib/ext (read-only)
JAVA_HOME: java.home=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre (read-only)
JAVA_IO_TMPDIR: java.io.tmpdir=/tmp/
JAVA_LIBRARY_PATH: java.library.path=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64/server:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib (read-only)
JAVA_RUNTIME_NAME: java.runtime.name=OpenJDK Runtime Environment (read-only)
JAVA_RUNTIME_VERSION: java.runtime.version=1.6.0_0-b16 (read-only)
JAVA_SPECIFICATION_NAME: java.specification.name=Java Platform API Specification (read-only)
JAVA_SPECIFICATION_VENDOR: java.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_SPECIFICATION_VERSION: java.specification.version=1.6 (read-only)
JAVA_VERSION: java.version=1.6.0_0 (read-only)
JAVA_VENDOR: java.vendor=Sun Microsystems Inc. (read-only)
JAVA_VENDOR_URL: java.vendor.url=http://java.sun.com/ (read-only)
JAVA_VENDOR_URL_BUG: java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport.cgi (read-only)
JAVA_VM_INFO: java.vm.info=mixed mode (read-only)
JAVA_VM_NAME: java.vm.name=OpenJDK 64-Bit Server VM (read-only)
JAVA_VM_SPECIFICATION_NAME: java.vm.specification.name=Java Virtual Machine Specification (read-only)
JAVA_VM_SPECIFICATION_VENDOR: java.vm.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_VM_SPECIFICATION_VERSION: java.vm.specification.version=1.0 (read-only)
JAVA_VM_VERSION: java.vm.version=14.0-b16 (read-only)
JAVA_VM_VENDOR: java.vm.vendor=Sun Microsystems Inc. (read-only)
LINE_SEPARATOR: line.separator=
 (read-only)
OS_NAME: os.name=Linux (read-only)
OS_ARCH: os.arch=amd64 (read-only)
OS_VERSION: os.version=2.6.30.9-96.fc11.x86_64 (read-only)
PATH_SEPARATOR: path.separator=: (read-only)
SUN_ARCH_DATA_MODEL: sun.arch.data.model=64 (read-only)
SUN_BOOT_CLASS_PATH: sun.boot.class.path=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/resources.jar:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/rt.jar:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/sunrsasign.jar:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/jsse.jar:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/jce.jar:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/charsets.jar:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/rhino.jar:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/classes (read-only)
SUN_BOOT_LIBRARY_PATH: sun.boot.library.path=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64 (read-only)
SUN_CPU_ENDIAN: sun.cpu.endian=little (read-only)
SUN_CPU_ISALIST: sun.cpu.isalist= (read-only)
SUN_IO_UNICODE_ENCODING: sun.io.unicode.encoding=UnicodeLittle (read-only)
SUN_JAVA_LAUNCHER: sun.java.launcher=SUN_STANDARD (read-only)
SUN_JNU_ENCODING: sun.jnu.encoding=UTF-8 (read-only)
SUN_MANAGEMENT_COMPILER: sun.management.compiler=HotSpot 64-Bit Server Compiler (read-only)
SUN_OS_PATCH_LEVEL: sun.os.patch.level=unknown (read-only)
USER_COUNTRY: user.country=US (read-only)
USER_DIR: user.dir=/disk/a/3/home/bc (read-only)
USER_HOME: user.home=/home/bc (read-only)
USER_LANGUAGE: user.language=en (read-only)
USER_NAME: user.name=bc (read-only)
USER_TIMEZONE: user.timezone= (read-only)
SUN_DESKTOP: sun.desktop=gnome (read-only)
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
AWT_TOOLKIT: awt.toolkit=null (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)


### UNKNOWN
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
AWT_TOOLKIT: awt.toolkit=null (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)


### MISSING
user.zoneinfo.dir=/usr/share/javazi


### PLEASE POST THIS AT http://j.mp/props0 or http://j.mp/props1
    /**
     * Linux only: known values: /usr/share/javazi
     */
    USER_ZONEINFO_DIR("user.zoneinfo.dir"),

    And, just for fun, the output from the same system using the gcj java runtime:

    FILE_ENCODING: file.encoding=UTF-8 (read-only)
FILE_ENCODING_PKG: file.encoding.pkg=null (read-only)

FILE_SEPARATOR: file.separator=/ (read-only)
JAVA_AWT_GRAPHICSENV: java.awt.graphicsenv=null (read-only)
JAVA_AWT_PRINTERJOB: java.awt.printerjob=null (read-only)
JAVA_CLASS_PATH: java.class.path=. (read-only)
JAVA_CLASS_VERSION: java.class.version=49.0 (read-only)
JAVA_ENDORSED_DIRS: java.endorsed.dirs=null (read-only)
JAVA_EXT_DIRS: java.ext.dirs=/usr/share/java/ext (read-only)
JAVA_HOME: java.home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre (read-only)
JAVA_IO_TMPDIR: java.io.tmpdir=/tmp/
JAVA_LIBRARY_PATH: java.library.path=/usr/lib64/gcj-4.4.1 (read-only)
JAVA_RUNTIME_NAME: java.runtime.name=null (read-only)
JAVA_RUNTIME_VERSION: java.runtime.version=1.5.0 (read-only)
JAVA_SPECIFICATION_NAME: java.specification.name=Java(tm) Platform API Specification (read-only)
JAVA_SPECIFICATION_VENDOR: java.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_SPECIFICATION_VERSION: java.specification.version=1.5 (read-only)
JAVA_VERSION: java.version=1.5.0 (read-only)
JAVA_VENDOR: java.vendor=Free Software Foundation, Inc. (read-only)
JAVA_VENDOR_URL: java.vendor.url=http://gcc.gnu.org/java/ (read-only)
JAVA_VENDOR_URL_BUG: java.vendor.url.bug=null (read-only)
JAVA_VM_INFO: java.vm.info=GNU libgcj 4.4.1 20090725 (Red Hat 4.4.1-2) (read-only)
JAVA_VM_NAME: java.vm.name=GNU libgcj (read-only)
JAVA_VM_SPECIFICATION_NAME: java.vm.specification.name=Java(tm) Virtual Machine Specification (read-only)
JAVA_VM_SPECIFICATION_VENDOR: java.vm.specification.vendor=Sun Microsystems Inc. (read-only)
JAVA_VM_SPECIFICATION_VERSION: java.vm.specification.version=1.0 (read-only)
JAVA_VM_VERSION: java.vm.version=4.4.1 20090725 (Red Hat 4.4.1-2) (read-only)
JAVA_VM_VENDOR: java.vm.vendor=Free Software Foundation, Inc. (read-only)
LINE_SEPARATOR: line.separator=
 (read-only)
OS_NAME: os.name=Linux (read-only)
OS_ARCH: os.arch=x86_64 (read-only)
OS_VERSION: os.version=2.6.30.9-96.fc11.x86_64 (read-only)
PATH_SEPARATOR: path.separator=: (read-only)
SUN_ARCH_DATA_MODEL: sun.arch.data.model=null (read-only)
SUN_BOOT_CLASS_PATH: sun.boot.class.path=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre/lib/rt.jar (read-only)
SUN_BOOT_LIBRARY_PATH: sun.boot.library.path=null (read-only)
SUN_CPU_ENDIAN: sun.cpu.endian=null (read-only)
SUN_CPU_ISALIST: sun.cpu.isalist=null (read-only)
SUN_IO_UNICODE_ENCODING: sun.io.unicode.encoding=null (read-only)
SUN_JAVA_LAUNCHER: sun.java.launcher=null (read-only)
SUN_JNU_ENCODING: sun.jnu.encoding=null (read-only)
SUN_MANAGEMENT_COMPILER: sun.management.compiler=null (read-only)
SUN_OS_PATCH_LEVEL: sun.os.patch.level=null (read-only)
USER_COUNTRY: user.country=null (read-only)
USER_DIR: user.dir=/disk/a/3/home/bc (read-only)
USER_HOME: user.home=/home/bc (read-only)
USER_LANGUAGE: user.language=en (read-only)
USER_NAME: user.name=bc (read-only)
USER_TIMEZONE: user.timezone=null (read-only)
SUN_DESKTOP: sun.desktop=null (read-only)
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
AWT_TOOLKIT: awt.toolkit=null (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)


### UNKNOWN
FILE_ENCODING_PKG: file.encoding.pkg=null (read-only)
JAVA_AWT_GRAPHICSENV: java.awt.graphicsenv=null (read-only)
JAVA_AWT_PRINTERJOB: java.awt.printerjob=null (read-only)
JAVA_ENDORSED_DIRS: java.endorsed.dirs=null (read-only)
JAVA_RUNTIME_NAME: java.runtime.name=null (read-only)
JAVA_VENDOR_URL_BUG: java.vendor.url.bug=null (read-only)
SUN_ARCH_DATA_MODEL: sun.arch.data.model=null (read-only)
SUN_BOOT_LIBRARY_PATH: sun.boot.library.path=null (read-only)
SUN_CPU_ENDIAN: sun.cpu.endian=null (read-only)
SUN_CPU_ISALIST: sun.cpu.isalist=null (read-only)
SUN_IO_UNICODE_ENCODING: sun.io.unicode.encoding=null (read-only)
SUN_JAVA_LAUNCHER: sun.java.launcher=null (read-only)
SUN_JNU_ENCODING: sun.jnu.encoding=null (read-only)
SUN_MANAGEMENT_COMPILER: sun.management.compiler=null (read-only)
SUN_OS_PATCH_LEVEL: sun.os.patch.level=null (read-only)
USER_COUNTRY: user.country=null (read-only)
USER_TIMEZONE: user.timezone=null (read-only)
SUN_DESKTOP: sun.desktop=null (read-only)
AWT_NATIVE_DOUBLE_BUFFERING: awt.nativeDoubleBuffering=null (read-only)
AWT_TOOLKIT: awt.toolkit=null (read-only)
FTP_NON_PROXY_HOSTS: ftp.nonProxyHosts=null (read-only)
GOPHER_PROXY_SET: gopherProxySet=null (read-only)
HTTP_NON_PROXY_HOSTS: http.nonProxyHosts=null (read-only)
MRJ_VERSION: mrj.version=null (read-only)
SOCKS_NON_PROXY_HOSTS: socksNonProxyHosts=null (read-only)


### MISSING
gnu.classpath.home=/usr
gnu.classpath.home.url=file:///usr/lib64
gnu.classpath.version=0.98
gnu.classpath.vm.shortname=libgcj
gnu.cpu.endian=little
gnu.gcj.precompiled.db.path=/usr/lib64/gcj-4.4.1/classmap.db
gnu.gcj.progname=SystemProperty
gnu.gcj.runtime.endorsed.dirs=/usr/share/java/gcj-endorsed
gnu.gcj.user.realname=
gnu.java.util.zoneinfo.dir=/usr/share/zoneinfo
http.agent=gnu-classpath/0.98 (libgcj/4.4.1 20090725 (Red Hat 4.4.1-2))
java.fullversion=GNU libgcj 4.4.1 20090725 (Red Hat 4.4.1-2)
user.region=US


### PLEASE POST THIS AT http://j.mp/props0 or http://j.mp/props1
    /**
     * Linux only: known values: /usr
     */
    GNU_CLASSPATH_HOME("gnu.classpath.home"),
    /**
     * Linux only: known values: file:///usr/lib64
     */
    GNU_CLASSPATH_HOME_URL("gnu.classpath.home.url"),
    /**
     * Linux only: known values: 0.98
     */
    GNU_CLASSPATH_VERSION("gnu.classpath.version"),
    /**
     * Linux only: known values: libgcj
     */
    GNU_CLASSPATH_VM_SHORTNAME("gnu.classpath.vm.shortname"),
    /**
     * Linux only: known values: little
     */
    GNU_CPU_ENDIAN("gnu.cpu.endian"),
    /**
     * Linux only: known values: /usr/lib64/gcj-4.4.1/classmap.db
     */
    GNU_GCJ_PRECOMPILED_DB_PATH("gnu.gcj.precompiled.db.path"),
    /**
     * Linux only: known values: SystemProperty
     */
    GNU_GCJ_PROGNAME("gnu.gcj.progname"),
    /**
     * Linux only: known values: /usr/share/java/gcj-endorsed
     */
    GNU_GCJ_RUNTIME_ENDORSED_DIRS("gnu.gcj.runtime.endorsed.dirs"),
    /**
     * Linux only: known values: 
     */
    GNU_GCJ_USER_REALNAME("gnu.gcj.user.realname"),
    /**
     * Linux only: known values: /usr/share/zoneinfo
     */
    GNU_JAVA_UTIL_ZONEINFO_DIR("gnu.java.util.zoneinfo.dir"),
    /**
     * Linux only: known values: gnu-classpath/0.98 (libgcj/4.4.1 20090725 (Red Hat 4.4.1-2))
     */
    HTTP_AGENT("http.agent"),
    /**
     * Linux only: known values: GNU libgcj 4.4.1 20090725 (Red Hat 4.4.1-2)
     */
    JAVA_FULLVERSION("java.fullversion"),
    /**
     * Linux only: known values: US
     */
    USER_REGION("user.region"),
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