allRowSumthing

class Main {
    public static void main(String[] args) {
        System.out.println("Hello World!");
        int[][] input = {{1, 3}, {7, -2, 0}, {4, 4}};
        System.out.println(max(input));
        int[] rowSumthing = allRowSums(input);
        for (int element: rowSumthing)
        {
            System.out.print(element);
        }
    }
    
    public static int max(int[][] a)
    {
    int max = a[0][0];
    for (int i = 0; i<a.length; i++)
    {
        for (int j = 0; j<a[i].length; j++)
        {
            if (a[i][j]>max)
            {
            max = a[i][j];
            }        
        }
    }  
    return max;
    }
    
     // returns an array holding the sums of the rows in a
    // e.g. allRowSums({{1}, {2, 3}, {4, 5, 6}}) = {1, 5, 15}
    public static int[] allRowSums(int[][] a)
    {
        int[] rowSum = new int[a.length];
        for (int i = 0; i<a.length; i++)
        {
            int rowTotal = 0;
            
            for (int element:a[i])
            {
                rowTotal +=element;
            }
            rowSum[i] = rowTotal;
        }
        return rowSum;
    }
}