java 中System.getProperty( dic.dir ) 是什麽意思

java可以通過System.getProperty獲得系統變量的值。而java.library.path只是其中的壹個，表示系統搜索庫文件的路徑。

例如這個值可以能是 c;\windows;d:\test;e:\mytest

那當妳在程序中裝載壹個dll庫時，系統就是去當前目錄和這幾個目錄找看看有沒有這個文件。

這個類作用是很大的，我們可以獲取很多信息。

System.getProperty()參數大全

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