• 通过System.getProperties()获取系统参数


    Properties props=System.getProperties(); //系统属性
        System.out.println("Java的运行环境版本:"+props.getProperty("java.version"));
        System.out.println("Java的运行环境供应商:"+props.getProperty("java.vendor"));
        System.out.println("Java供应商的URL:"+props.getProperty("java.vendor.url"));
        System.out.println("Java的安装路径:"+props.getProperty("java.home"));
        System.out.println("Java的虚拟机规范版本:"+props.getProperty("java.vm.specification.version"));
        System.out.println("Java的虚拟机规范供应商:"+props.getProperty("java.vm.specification.vendor"));
        System.out.println("Java的虚拟机规范名称:"+props.getProperty("java.vm.specification.name"));
        System.out.println("Java的虚拟机实现版本:"+props.getProperty("java.vm.version"));
        System.out.println("Java的虚拟机实现供应商:"+props.getProperty("java.vm.vendor"));
        System.out.println("Java的虚拟机实现名称:"+props.getProperty("java.vm.name"));
        System.out.println("Java运行时环境规范版本:"+props.getProperty("java.specification.version"));
        System.out.println("Java运行时环境规范供应商:"+props.getProperty("java.specification.vender"));
        System.out.println("Java运行时环境规范名称:"+props.getProperty("java.specification.name"));
        System.out.println("Java的类格式版本号:"+props.getProperty("java.class.version"));
        System.out.println("Java的类路径:"+props.getProperty("java.class.path"));
        System.out.println("加载库时搜索的路径列表:"+props.getProperty("java.library.path"));
        System.out.println("默认的临时文件路径:"+props.getProperty("java.io.tmpdir"));
        System.out.println("一个或多个扩展目录的路径:"+props.getProperty("java.ext.dirs"));
        System.out.println("操作系统的名称:"+props.getProperty("os.name"));
        System.out.println("操作系统的构架:"+props.getProperty("os.arch"));
        System.out.println("操作系统的版本:"+props.getProperty("os.version"));
        System.out.println("文件分隔符:"+props.getProperty("file.separator"));   //在 unix 系统中是"/"
        System.out.println("路径分隔符:"+props.getProperty("path.separator"));   //在 unix 系统中是":"
        System.out.println("行分隔符:"+props.getProperty("line.separator"));   //在 unix 系统中是"/n"
        System.out.println("用户的账户名称:"+props.getProperty("user.name"));
        System.out.println("用户的主目录:"+props.getProperty("user.home"));
        System.out.println("用户的当前工作目录:"+props.getProperty("user.dir"));

    Java的运行环境版本:1.7.0_80
    Java的运行环境供应商:Oracle Corporation
    Java供应商的URL:http://java.oracle.com/
    Java的安装路径:D:jdkjre
    Java的虚拟机规范版本:1.7
    Java的虚拟机规范供应商:Oracle Corporation
    Java的虚拟机规范名称:Java Virtual Machine Specification
    Java的虚拟机实现版本:24.80-b11
    Java的虚拟机实现供应商:Oracle Corporation
    Java的虚拟机实现名称:Java HotSpot(TM) 64-Bit Server VM
    Java运行时环境规范版本:1.7
    Java运行时环境规范供应商:null
    Java运行时环境规范名称:Java Platform API Specification
    Java的类格式版本号:51.0
    Java的类路径:D:ecliseworkTest2uildclasses;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libannotations-api.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libcatalina-ant.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libcatalina-ha.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libcatalina-tribes.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libcatalina.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libecj-4.2.2.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libel-api.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libjasper-el.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libjasper.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libjsp-api.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libservlet-api.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-api.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-coyote.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-dbcp.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-i18n-es.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-i18n-fr.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-i18n-ja.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-jdbc.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat-util.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47lib omcat7-websocket.jar;D:apache-tomcat-7.0.47apache-tomcat-7.0.47libwebsocket-api.jar
    加载库时搜索的路径列表:D:jdkin;C:WindowsSunJavain;C:Windowssystem32;C:Windows;D:/jdk/bin/../jre/bin/server;D:/jdk/bin/../jre/bin;D:/jdk/bin/../jre/lib/amd64;D:apache-maven-3.3.9in;D:jdkin;D:jdkjrein;C:Windowssystem32;C:Windows;C:WindowsSystem32Wbem;C:WindowsSystem32WindowsPowerShellv1.0;C:Program FilesTortoiseSVNin;C:Program Files (x86)ATI TechnologiesATI.ACECore-Static;C:Program Files (x86)MySQLMySQL Server 5.5in;D: oolsgradle-2.4in;C:oracleOra10InstantClient;D:eclise;;.
    默认的临时文件路径:C:UsersADMINI~1AppDataLocalTemp
    一个或多个扩展目录的路径:D:jdkjrelibext;C:WindowsSunJavalibext
    操作系统的名称:Windows 7
    操作系统的构架:amd64
    操作系统的版本:6.1
    文件分隔符:
    路径分隔符:;
    行分隔符:

    用户的账户名称:Administrator
    用户的主目录:C:UsersAdministrator
    用户的当前工作目录:D:ecliseworkTest2

  • 相关阅读:
    el-cascader回显问题
    nuxt + ueditor国际化
    nuxt + element + i18n 国际化element(我用的i18n@8.x版本)
    CDH| 组件的使用-Flume| Kafka| Oozie基于Hue的任务调度
    CDH| Hive| Hue| Sqoop| Impala等组件安装部署
    CDH| 组件的安装-HDFS的配置 | Flume| Kafka|
    Flink| 实时需要分析
    Flink| 状态一致性
    Flink| 容错机制
    Flink| 第一个窗口触发时间
  • 原文地址:https://www.cnblogs.com/Baronboy/p/6030443.html
Copyright © 2020-2023  润新知