System.getProperty()参数大全 java.version Java Runtime Environment version java.vendor Java Runtime Environment vendor java.vendor.url Java vendor URL java.home Java installation directory java.vm.specification.version Java Virtual Machine specification version java.vm.specification.vendor Java Virtual Machine specification vendor java.vm.specification.name Java Virtual Machine specification name java.vm.version Java Virtual Machine implementation version java.vm.vendor Java Virtual Machine implementation vendor java.vm.name Java Virtual Machine implementation name java.specification.version Java Runtime Environment specification version java.specification.vendor Java Runtime Environment specification vendor java.specification.name Java Runtime Environment specification name java.class.version Java class format version number java.class.path Java class path java.library.path List of paths to search when loading libraries java.io.tmpdir Default temp file path java.compiler Name of JIT compiler to use java.ext.dirs Path of extension directory or directories os.name Operating system name os.arch Operating system architecture os.version Operating system version file.separator File separator ("/" on UNIX) path.separator Path separator (":" on UNIX) line.separator Line separator ("/n" on UNIX) user.name User's account name user.home User's home directory user.dir User's current working directory
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"));
