java中获取到的系统常量

USERDOMAIN_ROAMINGPROFILE=DESKTOP-MSK6VDA
LOCALAPPDATA=C:\Users\80753\AppData\Local
PROCESSOR_LEVEL=6
USERDOMAIN=DESKTOP-MSK6VDA
FPS_BROWSER_APP_PROFILE_STRING=Internet Explorer
LOGONSERVER=\\DESKTOP-MSK6VDA
JAVA_HOME=D:\devtools\Java\jdk1.8.0_192
SESSIONNAME=Console
ALLUSERSPROFILE=C:\ProgramData
PROCESSOR_ARCHITECTURE=AMD64
GRADLE_HOME=D:\devtools\gradle-4.8
PSModulePath=C:\Program Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules
SystemDrive=C:
OneDrive=C:\Users\80753\OneDrive
APPDATA=C:\Users\80753\AppData\Roaming
USERNAME=80753
ProgramFiles(x86)=C:\Program Files (x86)
CommonProgramFiles=C:\Program Files\Common Files
Path=D:\devtools\JetBrains\IntelliJ IDEA 2019.1.4\jre64\\bin;D:\devtools\JetBrains\IntelliJ IDEA 2019.1.4\jre64\\bin\server;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;D:\devtools\nodejs\;D:\devtools\Java\jdk1.8.0_192\bin;D:\devtools\gradle-4.8\bin;D:\devtools\Git\bin;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\MySQL\MySQL Server 5.5\bin;D:\devtools\redis-64.3.0.503;C:\Users\80753\AppData\Local\Microsoft\WindowsApps;C:\Users\80753\AppData\Roaming\npm;
FPS_BROWSER_USER_PROFILE_STRING=Default
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
DriverData=C:\Windows\System32\Drivers\DriverData
OS=Windows_NT
OneDriveConsumer=C:\Users\80753\OneDrive
COMPUTERNAME=DESKTOP-MSK6VDA
PROCESSOR_REVISION=8e0b
CLASSPATH=D:\devtools\Java\jdk1.8.0_192\lib
CommonProgramW6432=C:\Program Files\Common Files
ComSpec=C:\WINDOWS\system32\cmd.exe
ProgramData=C:\ProgramData
ProgramW6432=C:\Program Files
HOMEPATH=\Users\80753
SystemRoot=C:\WINDOWS
TEMP=C:\Users\80753\AppData\Local\Temp
HOMEDRIVE=C:
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 142 Stepping 11, GenuineIntel
USERPROFILE=C:\Users\80753
TMP=C:\Users\80753\AppData\Local\Temp
CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
ProgramFiles=C:\Program Files
PUBLIC=C:\Users\Public
NUMBER_OF_PROCESSORS=8
windir=C:\WINDOWS