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 ("
" on UNIX)
user.name-----------------------User's account name
user.home-----------------------User's home directory
user.dir----------------------- User's current working directory