Question: Write a function called arraySum that returns the sum (as an int) of all the values in a two-dimensional array of int values. Note that
Write a function called arraySum that returns the sum (as an int) of all the values in a two-dimensional array of int values.
Note that the passed array may be null or non-rectangular. If the array is null you should return 0. If the array is non-rectangular you should still correctly sum all elements.
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