public static void main(String[] args) {
        System.out.println(orderOfLargestPlusSign(2, new int[][] {
                { 0, 0 },
                { 0, 1 },
                { 1, 0 },
                { 1, 1 },
                }));
        System.out.println(orderOfLargestPlusSign(5, new int[][] {
                { 4, 2 },
                }));
        System.out.println(orderOfLargestPlusSign(3, new int[][] {
                { 0, 0 },
                }));
    }
Why Did you create this class? what does it do?
src/problems/medium/LargestPlusSign.java