In Java, the system. getproperty () parameter is as follows:
Java. Version JavaRuntime Environment version
Java. Vendor JavaRuntime Environment vendor
Java. Vendor. url JavaVendor URL
Java. Home JavaInstallation Directory
Java. VM. Specification. Version JavaVirtual Machine Specification Version
Java. VM. Specification. Vendor JavaVirtual Machine specification vendor
Java. VM. Specification. Name JavaVirtual Machine specification name
Java. VM. Version JavaVirtual Machine implementation version
Java. VM. Vendor JavaVirtual Machine implementation vendor
Java. VM. Name JavaVirtual Machine implementation name
Java. Specification. Version JavaRuntime Environment Specification Version
Java. Specification. Vendor JavaRuntime Environment specification vendor
Java. Specification. Name JavaRuntime Environment specification name
Java. Class. Version JavaClass format version number
Java. Class. Path JavaClass path
Java. Library. PathList of paths to search when loading Libraries
Java. Io. tmpdirDefault temp file path
Java. CompilerName of JIT compiler to use
Java. Ext. dirsPath of extension directory or directories
OS. NameOperating system name
OS. ArchOperating System Architecture
OS. VersionOperating system version
File. SeparatorFile separator ("/" on UNIX) path. Separator path separator (":" On UNIX)
Line. SeparatorLine separator ("\ n" on UNIX)
User. NameUser's account name
User. HomeUser's home directory
User. dirUser's current working directory
Chinese comparison:
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
Code:
Public static void main (string [] ARGs ){
System. Out. println ("Java. Version:" + system. getproperty ("Java. Version "));
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. 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. Specification. Version:" + system. getproperty ("Java. Specification. Version "));
System. Out. println ("Java. Specification. Vendor:" + system. getproperty ("Java. Specification. Vendor "));
System. Out. println ("Java. Specification. Name:" + system. getproperty ("Java. Specification. Name "));
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 ("Java. Library. Path:" + system. getproperty ("Java. Library. Path "));
System. Out. println ("Java. Io. tmpdir:" + system. getproperty ("Java. Io. tmpdir "));
System. Out. println ("Java. Compiler:" + system. getproperty ("Java. compiler "));
System. Out. println ("Java. Ext. dirs:" + system. getproperty ("Java. Ext. dirs "));
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 ("file. separator:" + system. getproperty ("file. separator "));
System. Out. println ("line. separator:" + system. getproperty ("line. separator "));
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 "));
}
Running result:
Java. Version: 1.6.0 _ 02
Java. Vendor: Sun Microsystems Inc.
Java. Vendor. url: http://java.sun.com/
Java. Home: D: \ Program Files \ Java \ jdk1.6.0 _ 02 \ JRE
Java. VM. Specification. Version: 1.0
Java. VM. Specification. Vendor: Sun Microsystems Inc.
Java. VM. Specification. Name: Java virtual machine specification
Java. VM. Version: 1.6.0 _ 02-b06
Java. VM. Vendor: Sun Microsystems Inc.
Java. VM. Name: Java hotspot (TM) Client VM
Java. Specification. Version: 1.6
Java. Specification. Vendor: Sun Microsystems Inc.
Java. Specification. Name: Java platform API Specification
Java. Class. Version: 50.0
Java. Class. Path: e: \ workspace \ test \ webroot \ WEB-INF \ Classes; E: \ workspace \ test \ webroot \ WEB-INF \ Lib \ activation. jar;
Java. library. path: D: \ Program Files \ Java \ jdk1.6.0 _ 02 \ bin ;.; c: \ windows \ sun \ Java \ bin; c: \ windows \ system32; C: \ WINDOWS; c: \ windows \ system32; C: \ WINDOWS; C: \ windows \ system32 \ WBEM; C: \ Program Files \ common files \ thunder
Network \ Kankan \ codecs; C: \ Program Files \ Microsoft SQL Server \ 80 \ tools \ binn; C: \ Program Files \ Microsoft SQL Server \ 80 \ tools \ binn \; c: \ Program Files \ Microsoft SQL Server \ 90 \ DTS \ binn \; C: \ Program Files \ Microsoft SQL Server \ 90 \ tools \ binn \; C: \ Program Files \ Microsoft
SQL Server \ 90 \ tools \ binn \ vsshell \ common7 \ ide \; C: \ Program Files \ Microsoft Visual Studio 8 \ common7 \ ide \ privateassemblies \; D: \ Program Files \ Java \ jdk1.6.0 _ 02 \ bin; C: \ Program Files \ common files \ Adobe \ AGL; C: \ Program Files \ sinovoice \ jtts 5.0 Desktop \ bin; e: \ J2EE \ plugins \ ant \ apache-ant-1.7.1 \ bin; C: \ Program
Files \ cvsnt; C: \ Program Files \ stormii \ codec; C: \ Program Files \ stormii
Java. Io. tmpdir: C: \ javase ~ 1 \ admini ~ 1 \ locals ~ 1 \ temp \
Java. Compiler: NULL
Java. Ext. dirs: D: \ Program Files \ Java \ jdk1.6.0 _ 02 \ JRE \ Lib \ ext; C: \ WINDOWS \ sun \ Java \ Lib \ ext
OS. Name: Windows 2003
OS. Arch: x86
OS. Version: 5.2
File. separator :\
Line. separator:
User. Name: Administrator
User. Home: C: \ Documents ents and Settings \ Administrator
User. dir: e: \ workspace \ mvnforum