Java System.getProperty() 参数

System.getProperty() 参数

java.version

Java Runtime Environment versionjava.vendorJava Runtime Environment vendorjava.vendor.urlJava vendor URLjava.homeJava installation directoryjava.vm.specification.versionJava Virtual Machine specification versionjava.vm.specification.vendorJava Virtual Machine specification vendorjava.vm.specification.nameJava Virtual Machine specification namejava.vm.versionJava Virtual Machine implementation versionjava.vm.vendorJava Virtual Machine implementation vendorjava.vm.nameJava Virtual Machine implementation namejava.specification.versionJava Runtime Environment specification versionjava.specification.vendorJava Runtime Environment specification vendorjava.specification.nameJava Runtime Environment specification namejava.class.versionJava class format version numberjava.class.pathJava class pathjava.library.pathList of paths to search when loading librariesjava.io.tmpdirDefault temp file pathjava.compilerName of JIT compiler to usejava.ext.dirsPath of extension directory or directoriesos.nameOperating system nameos.archOperating system architectureos.versionOperating system versionfile.separatorFile separator ("/" on UNIX)path.separatorPath separator (":" on UNIX)line.separatorLine separator ("\n" on UNIX)user.nameUser's account nameuser.homeUser's home directoryuser.dirUser's current working directory

public class SystemProperty {public static void main(String args[]) {    System.out.println("java_vendor:" + System.getProperty("java.vendor"));       System.out.println("java_vendor_url:" + System.getProperty("java.vendor.url"));       System.out.println("java_home:" + System.getProperty("java.home"));       System.out.println("java_class_version:" + System.getProperty("java.class.version"));       System.out.println("java_class_path:" + System.getProperty("java.class.path"));       System.out.println("os_name:" + System.getProperty("os.name"));       System.out.println("os_arch:" + System.getProperty("os.arch"));       System.out.println("os_version:" + System.getProperty("os.version"));       System.out.println("user_name:" + System.getProperty("user.name"));       System.out.println("user_home:" + System.getProperty("user.home"));       System.out.println("user_dir:" + System.getProperty("user.dir"));       System.out.println("java_vm_specification_version:" + System.getProperty("java.vm.specification.version"));       System.out.println("java_vm_specification_vendor:" + System.getProperty("java.vm.specification.vendor"));       System.out.println("java_vm_specification_name:" + System.getProperty("java.vm.specification.name"));       System.out.println("java_vm_version:" + System.getProperty("java.vm.version"));       System.out.println("java_vm_vendor:" + System.getProperty("java.vm.vendor"));       System.out.println("java_vm_name:" + System.getProperty("java.vm.name"));       System.out.println("java_ext_dirs:" + System.getProperty("java.ext.dirs"));       System.out.println("file_separator:" + System.getProperty("file.separator"));       System.out.println("path_separator:" + System.getProperty("path.separator"));       System.out.println("line_separator:"  + System.getProperty("line.separator"));        //打印出所有的key及值    System.getProperties().list(System.out);}}

From jdk 1.5.0 documents

java.version

Java运行时环境版本

java.vendor

Java运行时环境供应商

java.vendor.url

Java供应商的 URL

java.home

Java安装目录

java.vm.specification.version

Java虚拟机规范版本

java.vm.specification.vendor

Java虚拟机规范供应商

java.vm.specification.name

Java虚拟机规范名称

java.vm.version

Java虚拟机实现版本

java.vm.vendor

Java虚拟机实现供应商

java.vm.name

Java虚拟机实现名称

java.specification.version

Java运行时环境规范版本

java.specification.vendor

Java运行时环境规范供应商

java.specification.name

Java运行时环境规范名称

java.class.version

Java类格式版本号

java.class.path

Java类路径

java.library.path

加载库时搜索的路径列表

java.io.tmpdir

默认的临时文件路径

java.compiler

要使用的 JIT 编译器的名称

java.ext.dirs

一个或多个扩展目录的路径

os.name

操作系统的名称

os.arch

操作系统的架构

os.version

操作系统的版本

file.separator

文件分隔符（在 UNIX 系统中是“/”）

path.separator

路径分隔符（在 UNIX 系统中是“:”）

line.separator

行分隔符（在 UNIX 系统中是“/n”）

user.name

用户的账户名称

user.home

用户的主目录

user.dir

用户的当前工作目录