Java System.getProperty() 参数，

Java System.getProperty() 参数，

System.getProperty() 参数

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

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