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