java获取系统信息，java系统信息,import java.

java获取系统信息，java系统信息,import java.

import java.util.Iterator;import java.util.Properties;import java.util.Set;import java.util.Map.Entry;public class SystemInfo {    public static void main(String[] args){        String os = System.getProperty("os.name");        System.out.println(os);        Properties ps = System.getProperties();        Set<Entry<Object, Object>> set = ps.entrySet();        Iterator<Entry<Object, Object>> it = set.iterator();        while(it.hasNext()){            Entry<Object, Object> e = it.next();            System.out.println(e.getKey() + "=" + e.getValue());        }    }}

输出:

java.runtime.name=Java(TM) SE Runtime Environmentsun.boot.library.path=/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/libjava.vm.version=23.7-b01gopherProxySet=falsejava.vm.vendor=Oracle Corporationjava.vendor.url=http://java.oracle.com/path.separator=:java.vm.name=Java HotSpot(TM) 64-Bit Server VMfile.encoding.pkg=sun.iouser.country=CNsun.java.launcher=SUN_STANDARDsun.os.patch.level=unknownjava.vm.specification.name=Java Virtual Machine Specificationuser.dir=/Users/penngo/Documents/workspace/meetjava.runtime.version=1.7.0_15-b03java.awt.graphicsenv=sun.awt.CGraphicsEnvironmentjava.endorsed.dirs=/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/endorsedos.arch=x86_64java.io.tmpdir=/var/folders/pn/91tlb5xs16958737mj6b_9700000gn/T/line.separator=java.vm.specification.vendor=Oracle Corporationos.name=Mac OS Xsun.jnu.encoding=US-ASCIIjava.library.path=/Users/penngo/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.java.specification.name=Java Platform API Specificationjava.class.version=51.0sun.management.compiler=HotSpot 64-Bit Tiered Compilersos.version=10.8.3http.nonProxyHosts=local|.local|169.254/16|.169.254/16user.home=/Users/penngouser.timezone=java.awt.printerjob=sun.lwawt.macosx.CPrinterJobfile.encoding=UTF-8java.specification.version=1.7java.class.path=/Users/penngo/Documents/workspace/meet/bin:/Users/penngo/Documents/workspace/meet/lib/commons-dbutils-1.4.jaruser.name=penngojava.vm.specification.version=1.7sun.java.command=com.fymeet.test.Testjava.home=/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jresun.arch.data.model=64user.language=zhjava.specification.vendor=Oracle Corporationawt.toolkit=sun.lwawt.macosx.LWCToolkitjava.vm.info=mixed modejava.version=1.7.0_15java.ext.dirs=/Users/penngo/Library/Java/Extensions:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/ext:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/javasun.boot.class.path=/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/lib/JObjC.jar:/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home/jre/classesjava.vendor=Oracle Corporationfile.separator=/java.vendor.url.bug=http://bugreport.sun.com/bugreport/sun.io.unicode.encoding=UnicodeBigsun.cpu.endian=littlesocksNonProxyHosts=local|.local|169.254/16|.169.254/16ftp.nonProxyHosts=local|.local|169.254/16|.169.254/16sun.cpu.isalist=