No, as JMS requires a RMI connection to be installed.
As JMS is server-side technology applet could not use JMS.
Yes, the applet can connect only at the port 80.
Yes, the applet can receive messages only from the server it came from itself.
No, as JMS jar is trusted, messages can be sent to an applet freely.
Yes, the applet cannot open a listener (ServerSocket) to listen to JMS.
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