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CodingBat code practice

 

sumPositives2D


Define a function that when passed a 2-dimensional ArrayList, returns the sum of all positive items of the list.


sumPositives2D([[10, 70], [20, 90]]) → 190
sumPositives2D([[-10, 70, 20], [-90]]) → 90
sumPositives2D([[10, 70, 20, 90]]) → 190

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int sumPositives2D(ArrayList<ArrayList<Integer>> list) { }

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