限定使用Socket通信，内存4G去传输10G的文本。并且读取过程需要换行，应该如何实现？

Question

题目描述：
限定使用socket通信来完成。需要实现的功能是：客户端读取10G的文本
文件以"换行啦啦啦"作为换行符、将文件中的内容、按行发送给服务端。服务端接收数据后、将文本文件保存在服务端所在电脑的磁盘上。合理使用线程!!

Answer 1

    public static void main(String[] args) throws IOException {
        //监听端口
        ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
        //切换非阻塞
        serverSocketChannel.configureBlocking(false);
        //绑定端口
        serverSocketChannel.bind(new InetSocketAddress("localhost",9696));
        //注册选择器
        Selector selector = Selector.open();
        serverSocketChannel.register(selector, SelectionKey.OP_ACCEPT);
        FileChannel outChannel = FileChannel.open(Paths.get("你的文件"), StandardOpenOption.WRITE, StandardOpenOption.CREATE);
        while (selector.select() > 0){
            Set<SelectionKey> selectionKeys = selector.selectedKeys();
            Iterator<SelectionKey> iterator = selectionKeys.iterator();
            while(iterator.hasNext()){
                SelectionKey selectionKey = iterator.next();
                if(selectionKey.isAcceptable()){
                    SocketChannel client = serverSocketChannel.accept();
                    client.configureBlocking(false);
                    client.register(selector, SelectionKey.OP_READ);
                }else if(selectionKey.isReadable()){
                    SocketChannel client = (SocketChannel) selectionKey.channel();
                    ByteBuffer buffer = ByteBuffer.allocate(1024);
                    while (client.read(buffer) > 0){
                        buffer.flip();
                        //byte[] bytes = new byte[buffer.limit()];
                        //buffer.get(bytes);
                        outChannel.write(buffer);
                    }
                }
                iterator.remove();
            }
        }
    }

换行符自个替换