接口: javax.microedition.io.SecureConnection ，扩展了SocketConnection
BNF:
url ::== "ssl://" hostport
hostport ::== host ":" port
host ::== host name or IP address
port ::== numeric port number
例子:
"ssl://www.sun.com"
"ssl://java.sun.com:443"
注意: 只支持客户端模式，设备上不支持服务器模式
--------------------------------------------------------------------------------
Server Socket Connection
支持: 推荐
