amjad277 0 Newbie Poster

Does J2EE support TCP connection? If yes, how can I use these in J2EE:
java.io.DataInputStream, java.io.DataOutputStream and java.net.ServerSocket

Some one said to me there is no chance: Specifically, enterprise beans should not:
listen on, accept connections on, or multicast from a network socket!
Is this correct?
Please help!?!