Traversing 2D Arrays

AP Computer Science A· difficulty 3/5

Traverse all elements of <code> int[][] m </code> row-by-row:

A
$for (int j = 0; j < m[0].length; j++) for (int i = 0; i < m.length; i++) ...$
B
$for-each on m only$
C
$for (int i = 0; i < m.length; i++) for (int j = 0; j < m[i].length; j++) ...$
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D
$for (int i = 0; i < m.length; i++)$

Explanation

Standard pattern: outer rows, inner columns.

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