System 정보를 가져온다. properties.getProperty

Properties properties = System.getProperties();
  System.out.println(properties.getProperty("java.version"));

 

아래의 Parameter로 Key값을 입력하면 해당하는 System 정보를 얻어올 수 있다.

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       Key         Description of Associated Value

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