Java default system variable Summary

Java code
Summary of system variables in Java:
 
Java. version Java Runtime Environment version
Java. vendor Java Runtime Environment vendor
Java. vendor. url URL of the Java vendor
Java. home Java installation directory
Java. vm. specification. version Java Virtual Machine standard 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 Standard version
Java. specification. vendor Java Runtime Environment specification vendor
Java. specification. name Java Runtime Environment Standard name
Java. class. version Java class format version number
Java. class. path Java class path
List of paths searched when the java. library. path library is loaded
Java. io. tmpdir default temporary file path
Name of the JIT compiler to be used by java. compiler
Java. ext. dirs: path of one or more extension Directories
OS. name of the Operating System
OS. arch Operating System Architecture
OS. version
File. separator file delimiter ("/" in UNIX)
Path. separator path separator (":" in UNIX systems)
Line. separator line separator ("/n" in UNIX ")
User. name: Account name of the user
User. home user's home directory
Current working directory of user. dir