java网络五子棋的源代码

java网络五子棋的源代码(40)       es.printStackTrace();
     }
    }
    return(false);
       }
   }
      return(true);
    }

    public void Feedback(String feedbackString)
    {
  synchronized(clientDataHash)
  {
   DataOutputStream outData=(DataOutputStream)clientDataHash.get(clientSocket);
   try
   {
    outData.writeUTF(feedbackString);
   }
   catch(Exception eb)
   {
    eb.printStackTrace();
   }
  }

 }

    public String getUserList()
    {
  String userList="/userlist";

  for(Enumeration enu=clientNameHash.elements();enu.hasMoreElements();)
  {
   userList=userList+" "+(String)enu.nextElement();
  }
  return(userList);
 }

 public Object getHashKey(Hashtable targetHash,Object hashValue)
 {
  Object hashKey;
  for(Enumeration enu=targetHash.keys();enu.hasMoreElements();)
  {
   hashKey=(Object)enu.nextElement();
   if(hashValue.equals((Object)targetHash.get(hashKey)))
    return(hashKey);
     }
     return(null);
 }

 public void firstCome()
 {
  publicTalk(getUserList());
  Feedback("/yourname "+(String)clientNameHash.get(clientSocket));
  Feedback("Java五子棋聊天客户端");
  Feedback("/changename <你的名字>  --更改名字");