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• 2022年11月15日

  IntelliJ

  

  etc.).
• 2022年11月15日

  both client and server must use the class JabberMessage that can be downloaded from Canvas (simply copy it into both projects). JabberMessage has a ‘message’ and ‘data’. The format of the messages required is specified in the section on the Jabber protocol below. You must use the protocol exactly as stated. No other messages are required. Make sure you have read and understood the final lecture (‘wrap up’ (under Week 11 on Canvas) before using this class).

  
• 2022年11月15日

  make sure you have read and understood the final lecture under Week 11 on Canvas.

  
• 2022年11月15日

  i.e. a username that does not already exist in the database

  

  then the GUI should present an error dialog E1 advising…
• 2022年11月15日

  B4b

  

  … for each jab. In the image above the button use…
• 2022年11月15日

  the number shown next to the heart button should change to 3 because there is now one more ‘like’ of this jab. Users can’t ‘unlike’ a jab. [4 marks]

  
• 2022年11月15日

  the application should also present a list of registered users who the signed-in user is not following in pane P2. This pane should have a header label saying ‘Who to follow’. There is a new method in the JabberDatabase class for this: getUsersNotFollowed(). The format of each user in this list should be as shown below (again

  

  it doesn’t literally need to look like this). [7 marks]
• 2022年11月15日

  if users A and B are signed in

  

  and user A follows user B
• 2022年11月15日

  this file was called JabberServer.java. You should use this new version. You should not need to change this file. You may do so if you wish but make sure you don’t break it.

  
• 2022年11月15日

  B1

  

  etc. Note that as long as your GUI has the required fun…