array2dMystery4

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< array2dMystery3

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Main Page → Exercises → Java → Solve an Exercise

Language/Type: Java arrays multi-dimensional arrays

Consider the following method. For each multi-dimensional array listed below, write the final array state that would result if the given array were passed as a parameter to the method.

public void array2dMystery4(int[][] a) {
    for (int r = 1; r < a.length - 1; r++) {
        for (int c = 1; c < a[0].length - 1; c++) {
            int sum1 = a[r - 1][c - 1] + a[r + 1][c + 1];
            int sum2 = a[r - 1][c + 1] + a[r + 1][c - 1];
            if (sum1 > sum2) {
                a[r][c] = sum1;
            } else {
                a[r][c] = sum2;
            }
        }
    }
}

`int[][] a1 = { {3, 4, 5, 6, 2}, {4, 2, 6, 1, 3}, {5, 7, 4, 9, 1}, {1, 6, 7, 2, 8} };`
`int[][] a2 = { {0, 1, 0, 1, 0, 1}, {2, 1, 2, 1, 2, 1}, {0, 5, 0, 5, 0, 5}, {3, 2, 3, 2, 3, 2}, {1, 4, 1, 4, 1, 4} };`

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