9.2 Accessing Multidimensional Array Elements
Elements of a two-dimensional array are accessed using this syntax:
arrayName[exp1][exp2] where exp1 and exp2 are expressions that evaluate to integers.
Exp1 is the element’s row position, or row index, within the two-dimensional array. Exp2 is the element’s column position, or column index, within the two-dimensional array. The row index of the first row is always 0; the row index of the last row is always 1 less than the number of rows. The column index of the first column is always 0. The column index of the last column is always 1 fewer than the number of columns in that row.
Because a two-dimensional array is an array of arrays, the length of a two-dimensional array is its number of arrays, ...
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