SocketChannel接口定义
定义:[url]http://donald-draper.iteye.com/blog/2369317[/url]SelectionKey定义：[url]http://donald-draper.iteye.com/blog/2369499[/url]SelectorProvider定义：[url]http://donald-draper.iteye.com/blog/2369615[/url]AbstractSelectableChannel定义：[url]http://donald-drap
