socketmessengerconstants.java

这是java的一本书上的源代码

// SocketMessengerConstants.java
// SocketMessengerConstants defines constants for the port numbers
// and multicast address in DeitelMessenger
package com.deitel.messenger.sockets;

public interface SocketMessengerConstants {
   
   // address for multicast datagrams
   public static final String MULTICAST_ADDRESS = "239.0.0.1";
   
   // port for listening for multicast datagrams
   public static final int MULTICAST_LISTENING_PORT = 5555;
   
   // port for sending multicast datagrams
   public static final int MULTICAST_SENDING_PORT = 5554;
   
   // port for Socket connections to DeitelMessengerServer
   public static final int SERVER_PORT = 12345;   
   
   // String that indicates disconnect
   public static final String DISCONNECT_STRING = "DISCONNECT";

   // String that separates the user name from the message body
   public static final String MESSAGE_SEPARATOR = ">>>";

   // message size (in bytes)
   public static final int MESSAGE_SIZE = 512;
}


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