| 程序包 | 说明 | 
|---|---|
| com.fr.ftp | Common socket classes and protocol command utility classes | 
| 限定符和类型 | 类和说明 | 
|---|---|
| class  | PrintCommandListenerThis is a support class for some of the example programs. | 
| 限定符和类型 | 方法和说明 | 
|---|---|
| void | SocketClient. addProtocolCommandListener(ProtocolCommandListener listener)Adds a ProtocolCommandListener. | 
| void | ProtocolCommandSupport. addProtocolCommandListener(ProtocolCommandListener listener)Adds a ProtocolCommandListener. | 
| void | SocketClient. removeProtocolCommandListener(ProtocolCommandListener listener)Removes a ProtocolCommandListener. | 
| void | ProtocolCommandSupport. removeProtocolCommandListener(ProtocolCommandListener listener)Removes a ProtocolCommandListener. |