System.getProperty() 是获取系统的相关属性，包括文件编码、操作系统名称、区域、用户名等，此属性一般是由 JVM 自动获取，不能设置。这个必须接收一个 String 类型的参数，并且返回一个 String 类型的值。如果想要获取所有的系统的相关属性值可以使用 System.getProperties() 方法。
相应的值为：
java.runtime.name-------Java(TM) SE Runtime Environment sun.boot.library.path-------C:Program FilesJavajdk1.8.0_60jrebin java.vm.version-------25.60-b23 java.vm.vendor-------Oracle Corporation java.vendor.url-------http://java.oracle.com/ path.separator-------; java.vm.name-------Java HotSpot(TM) 64-Bit Server VM file.encoding.pkg-------sun.io user.country-------CN user.script------- sun.java.launcher-------SUN_STANDARD sun.os.patch.level------- java.vm.specification.name-------Java Virtual Machine Specification user.dir-------F:siweidayunmotor-tboxdayunmotor-forward-hbase java.runtime.version-------1.8.0_60-b27 java.awt.graphicsenv-------sun.awt.Win32GraphicsEnvironment java.endorsed.dirs-------C:Program FilesJavajdk1.8.0_60jrelibendorsed os.arch-------amd64 java.io.tmpdir-------C:UsersyeswayAppDataLocalTemp line.separator------- java.vm.specification.vendor-------Oracle Corporation user.variant------- os.name-------Windows 10 sun.jnu.encoding-------GBK java.library.path-------C:Program FilesJavajdk1.8.0_60bin;C:WINDOWSSunJavabin;C:WINDOWSsystem32;C:WINDOWS;C:ProgramDataOracleJavajavapath;C:WINDOWSsystem32;C:WINDOWS;C:WINDOWSSystem32Wbem;C:WINDOWSSystem32WindowsPowerShellv1.0;C:WINDOWSSystem32OpenSSH;D:Program FilesGitcmd;C:UsersyeswayAppDataLocalMicrosoftWindowsApps;;. java.specification.name-------Java Platform API Specification java.class.version-------52.0 sun.management.compiler-------HotSpot 64-Bit Tiered Compilers os.version-------10.0 user.home-------C:Usersyesway user.timezone------- java.awt.printerjob-------sun.awt.windows.WPrinterJob file.encoding-------UTF-8 java.specification.version-------1.8 java.class.path-------C:Program FilesJavajdk1.8.0_60jrelibcharsets.jar;C:Program FilesJavajdk1.8.0_60jrelibdeploy.jar;C:Program FilesJavajdk1.8.0_60jrelibextaccess-bridge-64.jar;C:Program FilesJavajdk1.8.0_60jrelibextcldrdata.jar;C:Program FilesJavajdk1.8.0_60jrelibextdnsns.jar;C:Program FilesJavajdk1.8.0_60jrelibextjaccess.jar;C:Program FilesJavajdk1.8.0_60jrelibextjfxrt.jar;C:Program FilesJavajdk1.8.0_60jrelibextlocaledata.jar;C:Program FilesJavajdk1.8.0_60jrelibextnashorn.jar;C:Program FilesJavajdk1.8.0_60jrelibextsunec.jar;C:Program FilesJavajdk1.8.0_60jrelibextsunjce_provider.jar;C:Program FilesJavajdk1.8.0_60jrelibextsunmscapi.jar;C:Program FilesJavajdk1.8.0_60jrelibextsunpkcs11.jar;C:Program FilesJavajdk1.8.0_60jrelibextzipfs.jar;C:Program FilesJavajdk1.8.0_60jrelibjavaws.jar;C:Program FilesJavajdk1.8.0_60jrelibjce.jar;C:Program FilesJavajdk1.8.0_60jrelibjfr.jar;C:Program FilesJavajdk1.8.0_60jrelibjfxswt.jar;C:Program FilesJavajdk1.8.0_60jrelibjsse.jar;C:Program FilesJavajdk1.8.0_60jrelibmanagement-agent.jar;C:Program FilesJavajdk1.8.0_60jrelibplugin.jar;C:Program FilesJavajdk1.8.0_60jrelibresources.jar;C:Program FilesJavajdk1.8.0_60jrelibrt.jar;F:siweidayunmotor-tboxdayunmotor-forward-hbasetargetclasses;D:dayunMavenorgspringframeworkbootspring-boot-starter2.4.0spring-boot-starter-2.4.0.jar;D:dayunMavenorgspringframeworkbootspring-boot2.4.0spring-boot-2.4.0.jar;D:dayunMavenorgspringframeworkspring-context5.3.1spring-context-5.3.1.jar;D:dayunMavenorgspringframeworkbootspring-boot-autoconfigure2.4.0spring-boot-autoconfigure-2.4.0.jar;D:dayunMavenjakartaannotationjakarta.annotation-api1.3.5jakarta.annotation-api-1.3.5.jar;D:dayunMavenorgspringframeworkspring-core5.3.1spring-core-5.3.1.jar;D:dayunMavenorgspringframeworkspring-jcl5.3.1spring-jcl-5.3.1.jar;D:dayunMavenorgyamlsnakeyaml1.27snakeyaml-1.27.jar;D:dayunMavenorgspringframeworkbootspring-boot-starter-aop2.4.0spring-boot-starter-aop-2.4.0.jar;D:dayunMavenorgspringframeworkspring-aop5.3.1spring-aop-5.3.1.jar;D:dayunMavenorgspringframeworkspring-beans5.3.1spring-beans-5.3.1.jar;D:dayunMavenorgaspectjaspectjweaver1.9.6aspectjweaver-1.9.6.jar;D:dayunMavenorgspringframeworkbootspring-boot-starter-amqp2.4.0spring-boot-starter-amqp-2.4.0.jar;D:dayunMavenorgspringframeworkspring-messaging5.3.1spring-messaging-5.3.1.jar;D:dayunMavenorgspringframeworkamqpspring-rabbit2.3.1spring-rabbit-2.3.1.jar;D:dayunMavenorgspringframeworkamqpspring-amqp2.3.1spring-amqp-2.3.1.jar;D:dayunMavenorgspringframeworkretryspring-retry1.3.0spring-retry-1.3.0.jar;D:dayunMavenjavaxannotationjavax.annotation-api1.3.2javax.annotation-api-1.3.2.jar;D:dayunMavencomrabbitmqamqp-client5.9.0amqp-client-5.9.0.jar;D:dayunMavenorgspringframeworkspring-tx5.3.1spring-tx-5.3.1.jar;D:dayunMavenorgspringframeworkbootspring-boot-starter-log4j22.4.0spring-boot-starter-log4j2-2.4.0.jar;D:dayunMavenorgapachelogginglog4jlog4j-slf4j-impl2.13.3log4j-slf4j-impl-2.13.3.jar;D:dayunMavenorgapachelogginglog4jlog4j-jul2.13.3log4j-jul-2.13.3.jar;D:dayunMavenorgslf4jjul-to-slf4j1.7.30jul-to-slf4j-1.7.30.jar;D:dayunMavenorgspringframeworkbootspring-boot-starter-web2.4.0spring-boot-starter-web-2.4.0.jar;D:dayunMavenorgspringframeworkbootspring-boot-starter-json2.4.0spring-boot-starter-json-2.4.0.jar;D:dayunMavencomfasterxmljacksondatatypejackson-datatype-jdk82.11.3jackson-datatype-jdk8-2.11.3.jar;D:dayunMavencomfasterxmljacksonmodulejackson-module-parameter-names2.11.3jackson-module-parameter-names-2.11.3.jar;D:dayunMavenorgspringframeworkbootspring-boot-starter-tomcat2.4.0spring-boot-starter-tomcat-2.4.0.jar;D:dayunMavenorgapachetomcatembedtomcat-embed-core9.0.39tomcat-embed-core-9.0.39.jar;D:dayunMavenorgglassfishjakarta.el3.0.3jakarta.el-3.0.3.jar;D:dayunMavenorgapachetomcatembedtomcat-embed-websocket9.0.39tomcat-embed-websocket-9.0.39.jar;D:dayunMavenorgspringframeworkspring-web5.3.1spring-web-5.3.1.jar;D:dayunMavenorgspringframeworkspring-webmvc5.3.1spring-webmvc-5.3.1.jar;D:dayunMavenorgspringframeworkspring-expression5.3.1spring-expression-5.3.1.jar;D:dayunMavennetminidevjson-smart2.3json-smart-2.3.jar;D:dayunMavennetminidevaccessors-smart1.2accessors-smart-1.2.jar;D:dayunMavenorgow2asmasm5.0.4asm-5.0.4.jar;D:dayunMavenorgspringframeworkbootspring-boot-starter-data-redis2.4.0spring-boot-starter-data-redis-2.4.0.jar;D:dayunMavenorgspringframeworkdataspring-data-redis2.4.1spring-data-redis-2.4.1.jar;D:dayunMavenorgspringframeworkdataspring-data-keyvalue2.4.1spring-data-keyvalue-2.4.1.jar;D:dayunMavenorgspringframeworkdataspring-data-commons2.4.1spring-data-commons-2.4.1.jar;D:dayunMavenorgspringframeworkspring-oxm5.3.1spring-oxm-5.3.1.jar;D:dayunMavenorgspringframeworkspring-context-support5.3.1spring-context-support-5.3.1.jar;D:dayunMaveniolettucelettuce-core6.0.1.RELEASElettuce-core-6.0.1.RELEASE.jar;D:dayunMavenionettynetty-common4.1.53.Finalnetty-common-4.1.53.Final.jar;D:dayunMavenionettynetty-handler4.1.53.Finalnetty-handler-4.1.53.Final.jar;D:dayunMavenionettynetty-resolver4.1.53.Finalnetty-resolver-4.1.53.Final.jar;D:dayunMavenionettynetty-buffer4.1.53.Finalnetty-buffer-4.1.53.Final.jar;D:dayunMavenionettynetty-codec4.1.53.Finalnetty-codec-4.1.53.Final.jar;D:dayunMavenionettynetty-transport4.1.53.Finalnetty-transport-4.1.53.Final.jar;D:dayunMavenioprojectreactorreactor-core3.3.11.RELEASEreactor-core-3.3.11.RELEASE.jar;D:dayunMavenorgreactivestreamsreactive-streams1.0.3reactive-streams-1.0.3.jar;D:dayunMavencommons-langcommons-lang2.6commons-lang-2.6.jar;D:dayunMavenorgapachecommonscommons-pool22.8.0commons-pool2-2.8.0.jar;D:dayunMavenorgprojectlomboklombok1.18.8lombok-1.18.8.jar;D:dayunMavenorgapachelogginglog4jlog4j-core2.11.2log4j-core-2.11.2.jar;D:dayunMavenorgapachelogginglog4jlog4j-api2.11.2log4j-api-2.11.2.jar;D:dayunMavenorgslf4jslf4j-api1.7.5slf4j-api-1.7.5.jar;D:dayunMavencomfasterxmljacksoncorejackson-annotations2.9.0jackson-annotations-2.9.0.jar;D:dayunMavencomalibabafastjson1.2.47fastjson-1.2.47.jar;D:dayunMavenorgapachehadoophadoop-client3.0.0hadoop-client-3.0.0.jar;D:dayunMavenorgapachehadoophadoop-hdfs-client3.0.0hadoop-hdfs-client-3.0.0.jar;D:dayunMavencomsquareupokhttpokhttp2.4.0okhttp-2.4.0.jar;D:dayunMavencomsquareupokiookio1.4.0okio-1.4.0.jar;D:dayunMavenorgapachehadoophadoop-yarn-api3.0.0hadoop-yarn-api-3.0.0.jar;D:dayunMavenjavaxxmlbindjaxb-api2.2.11jaxb-api-2.2.11.jar;D:dayunMavenorgapachehadoophadoop-yarn-client3.0.0hadoop-yarn-client-3.0.0.jar;D:dayunMavenorgapachehadoophadoop-mapreduce-client-core3.0.0hadoop-mapreduce-client-core-3.0.0.jar;D:dayunMavenorgapachehadoophadoop-yarn-common3.0.0hadoop-yarn-common-3.0.0.jar;D:dayunMavenorgeclipsejettyjetty-util9.3.19.v20170502jetty-util-9.3.19.v20170502.jar;D:dayunMavencomsunjerseyjersey-client1.19jersey-client-1.19.jar;D:dayunMavencomfasterxmljacksonmodulejackson-module-jaxb-annotations2.7.8jackson-module-jaxb-annotations-2.7.8.jar;D:dayunMavencomfasterxmljacksonjaxrsjackson-jaxrs-json-provider2.7.8jackson-jaxrs-json-provider-2.7.8.jar;D:dayunMavencomfasterxmljacksonjaxrsjackson-jaxrs-base2.7.8jackson-jaxrs-base-2.7.8.jar;D:dayunMavenorgapachehadoophadoop-mapreduce-client-jobclient3.0.0hadoop-mapreduce-client-jobclient-3.0.0.jar;D:dayunMavenorgapachehadoophadoop-mapreduce-client-common3.0.0hadoop-mapreduce-client-common-3.0.0.jar;D:dayunMavenorgapachehadoophadoop-annotations3.0.0hadoop-annotations-3.0.0.jar;D:dayunMavenorgapachehbasehbase-shaded-client2.1.0hbase-shaded-client-2.1.0.jar;D:dayunMavencomgithubstephencfindbugsfindbugs-annotations1.3.9-1findbugs-annotations-1.3.9-1.jar;D:dayunMavenorgapachehtracehtrace-core44.2.0-incubatinghtrace-core4-4.2.0-incubating.jar;D:dayunMavencommons-loggingcommons-logging1.2commons-logging-1.2.jar;D:dayunMavenorgapachehtracehtrace-core3.1.0-incubatinghtrace-core-3.1.0-incubating.jar;D:dayunMavenlog4jlog4j1.2.17log4j-1.2.17.jar;D:dayunMavenorgapacheyetusaudience-annotations .5.0audience-annotations-0.5.0.jar;D:dayunMavenjunitjunit4.12junit-4.12.jar;D:dayunMavenorghamcresthamcrest-core1.3hamcrest-core-1.3.jar;D:dayunMavenorgapachehadoophadoop-common3.0.0hadoop-common-3.0.0.jar;D:dayunMavencomgoogleguavaguava11.0.2guava-11.0.2.jar;D:dayunMavencommons-clicommons-cli1.2commons-cli-1.2.jar;D:dayunMavenorgapachecommonscommons-math33.1.1commons-math3-3.1.1.jar;D:dayunMavenorgapachehttpcomponentshttpclient4.5.2httpclient-4.5.2.jar;D:dayunMavenorgapachehttpcomponentshttpcore4.4.4httpcore-4.4.4.jar;D:dayunMavencommons-codeccommons-codec1.4commons-codec-1.4.jar;D:dayunMavencommons-iocommons-io2.4commons-io-2.4.jar;D:dayunMavencommons-netcommons-net3.1commons-net-3.1.jar;D:dayunMavencommons-collectionscommons-collections3.2.2commons-collections-3.2.2.jar;D:dayunMavenjavaxservletjavax.servlet-api3.1.0javax.servlet-api-3.1.0.jar;D:dayunMavenjavaxservletjspjsp-api2.1jsp-api-2.1.jar;D:dayunMavencomsunjerseyjersey-core1.19jersey-core-1.19.jar;D:dayunMavenjavaxwsrsjsr311-api1.1.1jsr311-api-1.1.1.jar;D:dayunMavencomsunjerseyjersey-servlet1.19jersey-servlet-1.19.jar;D:dayunMavencomsunjerseyjersey-json1.19jersey-json-1.19.jar;D:dayunMavenorgcodehausjettisonjettison1.1jettison-1.1.jar;D:dayunMavencomsunxmlbindjaxb-impl2.2.3-1jaxb-impl-2.2.3-1.jar;D:dayunMavenorgcodehausjacksonjackson-core-asl1.9.2jackson-core-asl-1.9.2.jar;D:dayunMavenorgcodehausjacksonjackson-mapper-asl1.9.2jackson-mapper-asl-1.9.2.jar;D:dayunMavenorgcodehausjacksonjackson-jaxrs1.9.2jackson-jaxrs-1.9.2.jar;D:dayunMavenorgcodehausjacksonjackson-xc1.9.2jackson-xc-1.9.2.jar;D:dayunMavencomsunjerseyjersey-server1.19jersey-server-1.19.jar;D:dayunMavencommons-beanutilscommons-beanutils1.9.3commons-beanutils-1.9.3.jar;D:dayunMavenorgapachecommonscommons-configuration22.1.1commons-configuration2-2.1.1.jar;D:dayunMavenorgapachecommonscommons-lang33.4commons-lang3-3.4.jar;D:dayunMavenorgslf4jslf4j-log4j121.7.25slf4j-log4j12-1.7.25.jar;D:dayunMavenorgapacheavroavro1.7.7avro-1.7.7.jar;D:dayunMavencomthoughtworksparanamerparanamer2.3paranamer-2.3.jar;D:dayunMavenorgxerialsnappysnappy-java1.0.5snappy-java-1.0.5.jar;D:dayunMavencomgooglere2jre2j1.1re2j-1.1.jar;D:dayunMavencomgoogleprotobufprotobuf-java2.5.0protobuf-java-2.5.0.jar;D:dayunMavenorgapachehadoophadoop-auth3.0.0hadoop-auth-3.0.0.jar;D:dayunMavencomnimbusdsnimbus-jose-jwt4.41.1nimbus-jose-jwt-4.41.1.jar;D:dayunMavencomgithubstephencjcipjcip-annotations1.0-1jcip-annotations-1.0-1.jar;D:dayunMavenorgapachecuratorcurator-framework2.12.0curator-framework-2.12.0.jar;D:dayunMavencomjcraftjsch .1.54jsch-0.1.54.jar;D:dayunMavenorgapachecuratorcurator-client2.12.0curator-client-2.12.0.jar;D:dayunMavenorgapachecuratorcurator-recipes2.12.0curator-recipes-2.12.0.jar;D:dayunMavencomgooglecodefindbugsjsr3053.0.0jsr305-3.0.0.jar;D:dayunMavenorgapachezookeeperzookeeper3.4.9zookeeper-3.4.9.jar;D:dayunMavenjlinejline .9.94jline-0.9.94.jar;D:dayunMavenionettynetty3.10.5.Finalnetty-3.10.5.Final.jar;D:dayunMavenorgapachecommonscommons-compress1.4.1commons-compress-1.4.1.jar;D:dayunMavenorgtukaanixz1.0xz-1.0.jar;D:dayunMavenorgapachekerbykerb-simplekdc1.0.1kerb-simplekdc-1.0.1.jar;D:dayunMavenorgapachekerbykerb-client1.0.1kerb-client-1.0.1.jar;D:dayunMavenorgapachekerbykerby-config1.0.1kerby-config-1.0.1.jar;D:dayunMavenorgapachekerbykerb-core1.0.1kerb-core-1.0.1.jar;D:dayunMavenorgapachekerbykerby-pkix1.0.1kerby-pkix-1.0.1.jar;D:dayunMavenorgapachekerbykerby-asn11.0.1kerby-asn1-1.0.1.jar;D:dayunMavenorgapachekerbykerby-util1.0.1kerby-util-1.0.1.jar;D:dayunMavenorgapachekerbykerb-common1.0.1kerb-common-1.0.1.jar;D:dayunMavenorgapachekerbykerb-crypto1.0.1kerb-crypto-1.0.1.jar;D:dayunMavenorgapachekerbykerb-util1.0.1kerb-util-1.0.1.jar;D:dayunMavenorgapachekerbytoken-provider1.0.1token-provider-1.0.1.jar;D:dayunMavenorgapachekerbykerb-admin1.0.1kerb-admin-1.0.1.jar;D:dayunMavenorgapachekerbykerb-server1.0.1kerb-server-1.0.1.jar;D:dayunMavenorgapachekerbykerb-identity1.0.1kerb-identity-1.0.1.jar;D:dayunMavenorgapachekerbykerby-xdr1.0.1kerby-xdr-1.0.1.jar;D:dayunMavenorgcodehauswoodstoxstax2-api3.1.4stax2-api-3.1.4.jar;D:dayunMavencomfasterxmlwoodstoxwoodstox-core5.0.3woodstox-core-5.0.3.jar;D:dayunMavencomfasterxmljacksoncorejackson-databind2.9.6jackson-databind-2.9.6.jar;D:dayunMavencomfasterxmljacksoncorejackson-core2.9.6jackson-core-2.9.6.jar;D:dayunMavencomfasterxmljacksondatatypejackson-datatype-jsr3102.9.6jackson-datatype-jsr310-2.9.6.jar;D:dayunMavencomgooglecodegsongson2.6.2gson-2.6.2.jar;D:Program FilesJetBrainsIntelliJ IDEA 2020.2.4libidea_rt.jar user.name-------yesway java.vm.specification.version-------1.8 sun.java.command-------com.dayunmotor.forward.hbase.ForwardHbaseApplication java.home-------C:Program FilesJavajdk1.8.0_60jre sun.arch.data.model-------64 user.language-------zh java.specification.vendor-------Oracle Corporation awt.toolkit-------sun.awt.windows.WToolkit java.vm.info-------mixed mode java.version-------1.8.0_60 java.ext.dirs-------C:Program FilesJavajdk1.8.0_60jrelibext;C:WINDOWSSunJavalibext sun.boot.class.path-------C:Program FilesJavajdk1.8.0_60jrelibresources.jar;C:Program FilesJavajdk1.8.0_60jrelibrt.jar;C:Program FilesJavajdk1.8.0_60jrelibsunrsasign.jar;C:Program FilesJavajdk1.8.0_60jrelibjsse.jar;C:Program FilesJavajdk1.8.0_60jrelibjce.jar;C:Program FilesJavajdk1.8.0_60jrelibcharsets.jar;C:Program FilesJavajdk1.8.0_60jrelibjfr.jar;C:Program FilesJavajdk1.8.0_60jreclasses java.vendor-------Oracle Corporation file.separator------- java.vendor.url.bug-------http://bugreport.sun.com/bugreport/ sun.io.unicode.encoding-------UnicodeLittle sun.cpu.endian-------little sun.desktop-------windows sun.cpu.isalist-------amd64
