How to send message using nio directly without client send me message firstly
I learn nio now, but I don't know how to send message without client send me message firstly after it connected with server. I try to cache SelectionKey and SocketChannel, but it does'n t work. So how can I solve this problem. Thanks.
I solved the problem，there are two methods selectKeys and keys, selectKeys can get all channels that receive an action. keys can get all channels that connect with server, I can use keys method to send message directly.
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