What information is stored in properties in Java?

Properties props = system. getproperties ();
System. Out. println ("props:" + props );
String bits = string. valueof (props. Get ("Sun. Arch. Data. Model "));
System. Out. println ("bits:" + bits );

 

{java.runtime.name=Java(TM) SE Runtime Environment;sun.boot.library.path=C:\jre6\bin;java.vm.version=20.0-b11;java.vm.vendor=Sun Microsystems Inc.;java.vendor.url=http://java.sun.com/;path.separator=;;java.vm.name=Java HotSpot(TM) 64-Bit Server VM;file.encoding.pkg=sun.io;sun.java.launcher=SUN_STANDARD;user.country=CN;sun.os.patch.level=;java.vm.specification.name=Java Virtual Machine Specification;user.dir=F:\Workspaces\MyEclipse 9\Test;java.runtime.version=1.6.0_25-b06;java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment;java.endorsed.dirs=C:\jre6\lib\endorsed;os.arch=amd64;java.io.tmpdir=C:\Users\wsq\AppData\Local\Temp\;line.separator=;java.vm.specification.vendor=Sun Microsystems Inc.;user.variant=;os.name=Windows 7;sun.jnu.encoding=GBK;java.library.path=C:\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;D:\app\wsq\product\11.2.0\dbhome_1\bin;C:\jdk1.6.0_27\bin;E:\app\wsq\product\11.2.0\client_1\bin;D:\Program Files (x86)\CodeGear\RAD Studio\5.0\bin;C:\Users\Public\Documents\RAD Studio\5.0\Bpl;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Lenovo\Bluetooth Software\;C:\Program Files\Lenovo\Bluetooth Software\syswow64;C:\Program Files (x86)\Common Files\Thunder Network\KanKan\Codecs;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\WeFi;C:\Program Files\TortoiseSVN\bin;D:\msysgit\msysgit\bin;E:\Program Files\TortoiseGit\bin;E:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Users\Public\Documents\RAD Studio\5.0\Bpl;E:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Program Files (x86)\DBank\ClickUp;java.specification.name=Java Platform API Specification;java.class.version=50.0;sun.management.compiler=HotSpot 64-Bit Tiered Compilers;os.version=6.1;user.home=C:\Users\wsq;user.timezone=;java.awt.printerjob=sun.awt.windows.WPrinterJob;file.encoding=UTF-8;java.specification.version=1.6;java.class.path=F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\classes;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\spket-1.6.4.1.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\jsonplugin.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\classes12.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\apache-cassandra-0.6.1.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\JavaMemCache.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-beanutils-1.7.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-codec-1.4.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-collections-2.1.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-digester-1.7.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-lang-2.1.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-logging-1.0.2.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-pool-1.5.3.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\itext-1.3.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\jasperreports-3.0.0.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\servlet.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\standard.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-collections-3.2.1.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\commons-logging.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\log4j-1.2.16.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\ojdbc14.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\proxool-0.9.1.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\proxool-cglib.jar;F:\Workspaces\MyEclipse 9\Test\WebRoot\WEB-INF\lib\jxl.jar;user.name=wsq;java.vm.specification.version=1.0;sun.java.command=com.segsec.gisap.Test;java.home=C:\jre6;sun.arch.data.model=64;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_25;java.ext.dirs=C:\jre6\lib\ext;C:\Windows\Sun\Java\lib\ext;sun.boot.class.path=C:\jre6\lib\resources.jar;C:\jre6\lib\rt.jar;C:\jre6\lib\sunrsasign.jar;C:\jre6\lib\jsse.jar;C:\jre6\lib\jce.jar;C:\jre6\lib\charsets.jar;C:\jre6\lib\modules\jdk.boot.jar;C:\jre6\classes;C:\Users\wsq\AppData\Local\MyEclipse\Common\plugins\com.genuitec.eclipse.j2eedt.core_9.0.0.me201106292137\data\libraryset\EE_5\javaee.jar;C:\Users\wsq\AppData\Local\MyEclipse\Common\plugins\com.genuitec.eclipse.j2eedt.core_9.0.0.me201106292137\data\libraryset\EE_5\jsf-impl.jar;C:\Users\wsq\AppData\Local\MyEclipse\Common\plugins\com.genuitec.eclipse.j2eedt.core_9.0.0.me201106292137\data\libraryset\EE_5\jsf-api.jar;C:\Users\wsq\AppData\Local\MyEclipse\Common\plugins\com.genuitec.eclipse.j2eedt.core_9.0.0.me201106292137\data\libraryset\EE_5\jstl-1.2.jar;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=amd64}