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