Method main

src/main/java/com/crossoverjie/algorithm/TwoArray.java:20–37

(String[] args)

    public static void main(String[] args) {
        int[][] matrix = new int[][]{
                {1, 2, 8, 9},
                {2, 4, 9, 12},
                {4, 7, 10, 13},
                {6, 8, 11, 15},
                {7, 9, 12, 16}
        };

        // 数组的行数
        int rows = matrix.length;
        // 数组行的列数
        int cols = matrix[1].length;

        LOGGER.info(String.valueOf(rows));
        LOGGER.info(String.valueOf(cols));

    }