Socket for broadcast and receive?

Hi all,
sorry for cross post but I need an answer soon.
The server need to broadcast an inviting message continuosly. and at the same time the socket is able to receive any messages from the client.
I use 2 threads. One iniiated with Socket for listening and the other multicast socket with datagram.
However, I don't think I did it the right way?????
one thread: skt = new ServerSocket(4446);
broadcast thread:
MulticastSocket socket = new MulticastSocket(4446);
InetAddress address = InetAddress.getByName("230.0.0.1");
socket.joinGroup(address);
DatagramPacket packet;
any suggestions?
Any souce code for server and client?
any documents, url?
thanks
andrew

ServerSockets go with MulticastSockets like baloney and whip cream.
ServerSockets are for connection-based sockets.
MulticastSockets are for connection-less datagram sockets
Pick one type based on your requirements and stick with it.
Either ServerSockets and Sockets
or MulticastSocket with MulticastSocket.

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Socket for both broadcast and receive?

Hi all,
The server need to broadcast an inviting message continuosly. and at the same time the socket is able to receive any messages from the client.
I use 2 threads. One iniiated with Socket for listening and the other multicast socket with datagram. However, I don't think I did it the right way?
one thread: skt = new ServerSocket(4446);
broadcast thread:
MulticastSocket socket = new MulticastSocket(4446);
InetAddress address = InetAddress.getByName("230.0.0.1");
socket.joinGroup(address);
DatagramPacket packet;
With this, how can the client receive and send at the same time?
Any souce code for server and client?
any documents, url?
thanks
andrew

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ServerSockets are for connection-based sockets.
MulticastSockets are for connection-less datagram sockets
Pick one type based on your requirements and stick with it.
Either ServerSockets and Sockets
or MulticastSocket with MulticastSocket.

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Can't remember the combo though.
It's one of
transmit 192.168.1.255 22222 //multicastIP port#
receive 127.0.0.1 22222 //localhost port#
or
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receive 127.0.0.1 22222 //localhost port#
There is the answer in these forums somewhere.
I just hate to see people struggle.

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Socket for broadcast and receive?

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