I'm working on a program that is going to use a two-dimensional array to create a table that needs to have 5 rows and 4 columns. There should be a total of each row just to the right of the values that appear and a total of each column below. Here is what it should look like:
Emp. 1 Emp. 2 Emp. 3 Emp. 4 Product Totals
Product 1 ----> 12 24 18 23 77
Product 2 ----> 10 8 12 19 49
Product 3 ----> 28 40 22 16 106
Product 4 ----> 4 28 49 3 84
Product 5 ----> 14 17 25 9 65
//////////////////////////////////////////////
Emp. Totals --> 68 117 126 70
The problem that I am having is that I cannot figure out how to add the rows and columns up. Here's the code I have so far.
public class TotalSales {
/**
* B. Stephens
* CSC-151
* This program will summarize the total sales by salesperson and product
*/
public static void main(String[] args) {
// create and assign values to multidimensional array
int [][] Sales = { {12,24,18,23}, {10,8,12,19}, {28,40,22,16}, {4,28,49,3}, {14,17,25,9} };
// display categories
System.out.println(" Emp. 1 Emp. 2 Emp. 3 Emp. 4 Product Totals");
// declare ProductCounter
int ProductCounter = 1;
// display array
for (int row = 0; row < Sales.length; row++){
System.out.print("Product " + ProductCounter + " -----> ");
for (int column = 0; column < Sales[row].length; column++){
System.out.printf(" %d\t", Sales[row][column]);
}
ProductCounter ++;
System.out.println();
}
System.out.println("////////////////////////////////////////////////////////////////");
System.out.println("Emp. Totals -->");
} // end main
} // end class
The table that I showed at the beginning is just the general format though. I need to display these results after a month, so how would I get it to run 30 times and add all of them together to display a monthly total? Should I add in another for loop with a counter=0 that goes as long as counter < 30? If so, how would I add all the results? I don't need the daily total. I was just using that as an example of the format I need.
Something like int[] totals = {0, 0, 0, 0};
in the beginning of the app,
int total = 0;
in the beginning of the first for
loop,
total += Sales[row][column]; totals[column] += Sales[row][column];
inside second for
loop,
printf(total);
just after the end of the first loop,
and this at the very end:
for (int column = 0; column < totals.length; column++){
System.out.printf(" %d\t", totals[column]);
}
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