System.getProperty()參數大全
key?????????????? detail
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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 ?
file.encoding??????? 系統屬性
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java.version????????????? Java 運行時環境版本
java.vendor?????????? Java 運行時環境供應商
java.vendor.url????????? Java 供應商的 URL
java.home Java?????????? 安裝目錄
java.vm.specification.version?????? Java 虛擬機規范版本
java.vm.specification.vendor?????? Java 虛擬機規范供應商
java.vm.specification.name??????? Java 虛擬機規范名稱
java.vm.version????????? Java 虛擬機實現版本
java.vm.vendor?????????? Java 虛擬機實現供應商
java.vm.name?????????? Java 虛擬機實現名稱
java.specification.version??????? Java 運行時環境規范版本
java.specification.vendor??????? Java 運行時環境規范供應商
java.specification.name??????? Java 運行時環境規范名稱
java.class.version????????? Java 類格式版本號
java.class.path????????? Java 類路徑
java.library.path????????? 加載庫時搜索的路徑列表
java.io.tmpdir?????????? 默認的臨時文件路徑
java.compiler?????????? 要使用的 JIT 編譯器的名稱
java.ext.dirs?????????? 一個或多個擴展目錄的路徑
os.name??????????? 操作系統的名稱
os.arch??????????? 操作系統的架構
os.version??????????? 操作系統的版本
file.separator?????????? 文件分隔符（在 UNIX 系統中是“/”）
path.separator?????????? 路徑分隔符（在 UNIX 系統中是“:”）
line.separator?????????? 行分隔符（在 UNIX 系統中是“/n”）
user.name??????????? 用戶的賬戶名稱
user.home??????????? 用戶的主目錄
user.dir??????????? 用戶的當前工作目錄