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1
import
java.net.
*
;
2
3 public class UdpRecv
4 {
5 public static void main(String args[]) throws Exception
6 {
7 DatagramSocket ds = new DatagramSocket( 3000 );
8 byte [] buf = new byte [ 1024 ];
9 DatagramPacket dp = new DatagramPacket(buf, 1024 );
10 ds.receive(dp);
11 String strRecv = new String (dp.getData(), 0 ,dp.getLength(), " gb2312 " ) + " from " + dp.getAddress().getHostAddress() + " : " + dp.getPort();
12 System.out.println(strRecv);
13 ds.close();
14 }
15
16 }
2
3 public class UdpRecv
4 {
5 public static void main(String args[]) throws Exception
6 {
7 DatagramSocket ds = new DatagramSocket( 3000 );
8 byte [] buf = new byte [ 1024 ];
9 DatagramPacket dp = new DatagramPacket(buf, 1024 );
10 ds.receive(dp);
11 String strRecv = new String (dp.getData(), 0 ,dp.getLength(), " gb2312 " ) + " from " + dp.getAddress().getHostAddress() + " : " + dp.getPort();
12 System.out.println(strRecv);
13 ds.close();
14 }
15
16 }
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1
import
java.net.
*
;
2
3 public class UdpSend
4 {
5 public static void main(String args[]) throws Exception
6 {
7 DatagramSocket ds = new DatagramSocket();
8 String str = " hello ,this is a test " ;
9 DatagramPacket dp = new DatagramPacket (str.getBytes(),str.length(),InetAddress.getByName( " 127.0.0.1 " ), 3000 );
10 ds.send(dp);
11 ds.close();
12 }
13
14 }
2
3 public class UdpSend
4 {
5 public static void main(String args[]) throws Exception
6 {
7 DatagramSocket ds = new DatagramSocket();
8 String str = " hello ,this is a test " ;
9 DatagramPacket dp = new DatagramPacket (str.getBytes(),str.length(),InetAddress.getByName( " 127.0.0.1 " ), 3000 );
10 ds.send(dp);
11 ds.close();
12 }
13
14 }