public ArrayList getAllEvents() - returns an array of object Event public void enroll (Event e, User u) public Event searchName(String eventID) Assume username has a value

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A: The average of a column table in Java is shown in the below steps.

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A: Here is the complete code. See below steps for code and output.

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A: Answer is in next step. please give a like .

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A: For the given problem, below is the Python code.

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A: I have given an answer in step 2.

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A: Below I have provided a python program for the given question. Also, I have attached a screenshot of…

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A: Below is the required query:

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A: Let's create a K maps for 3 input and 7 segment output.

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A: Lets see the solution.