//use a 2-D array to store corporate sales data e.g. Fig 8-19

import java.util.Scanner;
import java.text.DecimalFormat;		//may not use this

public class eg09_2DArray
{
	public static void main(String[] args)
	{
		final int DIVS = 2; //2 divisions in company
		final int QTRS = 3; //3 quarters
		double totalSales = 0.0; //Accumulatorss
		
		double[][] sales = new double[DIVS][QTRS];
		
		Scanner keyboard = new Scanner (System.in);  //create Scanner object for keyboard input
		
		System.out.println("This program calcualtes the total sales of all the company's divisions. ");
		System.out.println("Please enter the sales data: ");
		
		//nested loops to fill the array
		for (int div = 0; div < DIVS; div++)
		{
			//System.out.println(div);
			for (int qtr = 0; qtr < QTRS; qtr++) 
			{
				//System.out.println(div + ", "+ qtr);
				System.out.print ("Division " + (div + 1) + ", Quarter " + (qtr+1) + ": $");
				sales[div][qtr] = keyboard.nextDouble();
			}
			System.out.println();
		}
		
		//nested loops to add all elements of the array
		for (int div = 0; div < DIVS; div++)
		{
			//System.out.println(div);
			for (int qtr = 0; qtr < QTRS; qtr++) 
			{
				totalSales = totalSales + sales[div][qtr];
			}
		}
		
		System.out.println("Total sales are $" + totalSales);
	}	
}