【关于Java UDP网络连接问题！在线等......】

Question

运行结果：
----------------number 2-----------------
Handing client at10.164.131.42 on port:4059
set Data before:Hello Job! current learning english?
set Data after:Hello Job! current learning english?  —>　通过setData设置后，数据没有改变怎么回事啊？？在线等....

Answer 1

我把UDP的Server端代码该为如下就可以了：public class UDPEchoServerTimeout
{    public static void main(String[] args) throws IOException
    {
        byte[] msg = new String("Hello sone current learning english?")
                .getBytes();
        DatagramSocket socket = new DatagramSocket(8850);        int count = 1;
        while (true)
        {
            //这里必须每次都新创建一个才可以
            DatagramPacket packet = new DatagramPacket(new byte[255], 255);            socket.receive(packet);            System.out.println("----------------" + "number " + count
                    + "-----------------");            System.out.println("Handing client at"
                    + packet.getAddress().getHostAddress() + " on port:"
                    + packet.getPort());            System.out.println("set Data before:"
                    + new String(packet.getData()));            packet.setData(msg);            System.out
                    .println("set Data after:" + new String(packet.getData()));            socket.send(packet);
            // packet.setLength(packet.getLength());            count++;
        }
    }
}

Answer 2

----------------number 1-----------------
Handing client at192.168.22.188 on port:63803
set Data before:Hello Job!这是我的运行结果，没错 啊