readmulticast.htm
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<TITLE>Receiving from a Multicast Group (Java Developers Almanac Example)
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<B><A HREF="../java.net/pkg.html#Multicast">Multicast</A></B><font color="#666666" class="xsmall-font">
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<h3>e154. Receiving from a Multicast Group</h3>
Once you've created a multicast socket and joined the group,
all datagrams sent to its corresponding multicast address
will be available to be read from the socket.
You can read from the socket just like you would from a unicast socket.
<pre> public void read(MulticastSocket msocket, byte[] inbuf) {
try {
DatagramPacket packet = new DatagramPacket(inbuf, inbuf.length);
// Wait for packet
msocket.receive(packet);
// Data is now in inbuf
int numBytesReceived = packet.getLength();
} catch (IOException e) {
}
}
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<b>Related Examples</b></font></td>
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e153. <a class="eglink" href="JoinMulticastGroup.html?l=rel">
Joining a Multicast Group
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e155. <a class="eglink" href="WriteMulticast.html?l=rel">
Sending to a Multicast Group
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See also:
<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Datagram">
Datagram
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Encodings">
Encodings
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HTTP
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Hostnames%20and%20IP%20Addresses">
Hostnames and IP Addresses
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Sockets">
Sockets
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#URLs">
URLs
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