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Java SocketChannel.write - Java / Java SE

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/**
 * SocketChannel connChannel = server.accept();
 */
...
else if(key.isReadalbe()){
  connChannel = (SocketChannel)key.channel();
  byteBuf.clear();
  bufLength = connChannel.read(byteBuf);
  byteBuf.flip();
  connChannel.write(byteBuf);  
}

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  throws IOException
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