package Question8_7;
public class PrivateChat extends Conversation {
public PrivateChat(User user1, User user2) {
participants.add(user1);
participants.add(user2);
}
public User getOtherParticipant(User primary) {
if (participants.get(0) == primary) {
return participants.get(1);
} else if (participants.get(1) == primary) {
return participants.get(0);
}
return null;
}
}