JAVA获得系统配置文件的System Properties

public class SystemProperties
{
public static void main(String[] args)
{
Properties properties = System.getProperties();
Iterator<Entry<Object, Object>> iterator = properties.entrySet().iterator();
while (iterator.hasNext())
{
Entry<Object, Object> entry = iterator.next();
System.out.println(entry.getKey() + "===" + ntry.getValue());
}
}
}

java.runtime.name===Java(TM) SE Runtime Environment
sun.boot.library.path===d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\bin
java.vm.version===11.3-b02
java.vm.vendor===Sun Microsystems Inc.
java.vendor.url===http://java.sun.com/
path.separator===;
java.vm.name===Java HotSpot(TM) Client VM
file.encoding.pkg===sun.io
sun.java.launcher===SUN_STANDARD
user.country===CN
sun.os.patch.level===Service Pack 1
java.vm.specification.name===Java Virtual Machine Specification
user.dir===D:\Workspaces\TIMETEST
java.runtime.version===1.6.0_13-b03
java.awt.graphicsenv===sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs===d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\endorsed
os.arch===x86
java.io.tmpdir===C:\Users\koal\AppData\Local\Templine.separator===

java.vm.specification.vendor===Sun Microsystems Inc.
user.variant===
os.name===Windows Vista
sun.jnu.encoding===GBK
java.library.path===d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;d:/MyEclipse 10.7/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/bin/client;d:/MyEclipse 10.7/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/bin;d:/MyEclipse 10.7/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/lib/i386;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\OpenCL SDK\2.0\bin\x86;C:\Program Files (x86)\Intel\OpenCL SDK\2.0\bin\x64
java.specification.name===Java Platform API Specification
java.class.version===50.0
sun.management.compiler===HotSpot Client Compiler
os.version===6.1
user.home===C:\Users\koal
user.timezone===
java.awt.printerjob===sun.awt.windows.WPrinterJob
file.encoding===GBK
java.specification.version===1.6
java.class.path===D:\Workspaces\TIMETEST\bin
user.name===koal
java.vm.specification.version===1.0
java.home===d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre
sun.arch.data.model===32
user.language===zh
java.specification.vendor===Sun Microsystems Inc.
awt.toolkit===sun.awt.windows.WToolkit
java.vm.info===mixed mode
java.version===1.6.0_13
java.ext.dirs===d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\ext;C:\Windows\Sun\Java\lib\ext
sun.boot.class.path===d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\resources.jar;d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\rt.jar;d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\sunrsasign.jar;d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\jsse.jar;d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\jce.jar;d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\lib\charsets.jar;d:\MyEclipse 10.7\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\classes
java.vendor===Sun Microsystems Inc.
file.separator===java.vendor.url.bug===http://java.sun.com/cgi-bin/bugreport.cgi
sun.io.unicode.encoding===UnicodeLittle
sun.cpu.endian===little
sun.desktop===windows
sun.cpu.isalist===pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86