SocketFactory是一個抽象類(抽象類不能被實例化,但可以有構造函數)。 描述:This class creates sockets./此類用于創建sockets public abstract class SocketFactory {private static SocketFactory theFactory; //返回環境默認的sock
1 Sockets socket很像一個文件本質上,socket是一個文件描述符指向網絡設備而不是一個硬盤上的文件int socket(int domain, int type, int protocol); domain is the addressing domain of socketHTTP traffic is over TCP, so that would be SOCK_STREAM. If we wanted to ope