java編程思想_004獲得運行環境

package wzs.test2;// 獲得運行環境public class Test_wzs1{    public static void main(String[] args)    {        System.getProperties().list(System.out);        System.out.println("\nuser.name=" + System.getProperty("user.name"));        System.out.println("java.home=" + System.getProperty("java.home"));    }}

輸出結果：

-- listing properties --java.runtime.name=Java(TM) SE Runtime Environmentsun.boot.library.path=C:\Program Files\Java\jdk1.6.0\jre\binjava.vm.version=1.6.0-b105java.vm.vendor=Sun Microsystems Inc.java.vendor.url=http://java.sun.com/path.separator=;java.vm.name=Java HotSpot(TM) Client VMfile.encoding.pkg=sun.iouser.country=CNsun.java.launcher=SUN_STANDARDsun.os.patch.level=Service Pack 3java.vm.specification.name=Java Virtual Machine Specificationuser.dir=D:\workspace\zthinkinjavaTestjava.runtime.version=1.6.0-b105java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironmentjava.endorsed.dirs=C:\Program Files\Java\jdk1.6.0\jre\li...os.arch=x86java.io.tmpdir=C:\DOCUME~1\WWX154~1\LOCALS~1\Temp\line.separator=java.vm.specification.vendor=Sun Microsystems Inc.user.variant=os.name=Windows XPsun.jnu.encoding=GBKjava.library.path=C:\Program Files\Java\jdk1.6.0\jre\bi...java.specification.name=Java Platform API Specificationjava.class.version=50.0sun.management.compiler=HotSpot Client Compileros.version=5.1user.home=C:\Documents and Settings\wWX154783user.timezone=java.awt.printerjob=sun.awt.windows.WPrinterJobfile.encoding=GBKjava.specification.version=1.6user.name=wWX154783java.class.path=D:\workspace\zthinkinjavaTest\binjava.vm.specification.version=1.0sun.arch.data.model=32java.home=C:\Program Files\Java\jdk1.6.0\jrejava.specification.vendor=Sun Microsystems Inc.user.language=zhawt.toolkit=sun.awt.windows.WToolkitjava.vm.info=mixed mode, sharingjava.version=1.6.0java.ext.dirs=C:\Program Files\Java\jdk1.6.0\jre\li...sun.boot.class.path=C:\Program Files\Java\jdk1.6.0\jre\li...java.vendor=Sun Microsystems Inc.file.separator=\java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport...sun.cpu.endian=littlesun.io.unicode.encoding=UnicodeLittlesun.desktop=windowssun.cpu.isalist=pentium_pro+mmx pentium_pro pentium+m...user.name=wWX154783java.home=C:\Program Files\Java\jdk1.6.0\jre