A- find the answers

1-Implement the method:

/* sets every value in A[][] to initVal */ public static void initialize(int A[][], int initVal) 

2- Implement the method:

/* returns the largest element in A */ public static int largestItem(int A[][]) 

3- Implement the method:

/* returns the sum of the row in A that has the largest * sum. */ public static int largestRow(int A[][]) 

4- Implement the method:

/* returns the sum of the column in A that has the largest * sum. You may assume that each row has the same number * of columns. */ public static int largestCol(int A[][])