Qtly Sales Stat

import java.util.Scanner;
import static java.lang.System.out;
		
public class QuarterlySalesSatistics2 
{
	public static void enterSalesFigures(double [][] companyInfo)
	{
		Scanner keyboard = new Scanner(System.in);
		for(int divisionIndex = 0; divisionIndex < companyInfo.length; divisionIndex++)
			{
			for(int quarterIndex = 0; quarterIndex < companyInfo[0].length; quarterIndex++)
			{
				System.out.printf("Division %d, Quarter %d ", divisionIndex + 1, quarterIndex + 1);
				companyInfo [divisionIndex][quarterIndex] = keyboard.nextDouble();
			}
			System.out.println();
		}
	}
	
	public static void listSalesFigures(double [][] companyInfo)
	{
		double difference;
		
		for(int divisionIndex = 0; divisionIndex < companyInfo.length; divisionIndex++)
		{
			difference = 0;
			
			System.out.printf("|Division %d|\n", divisionIndex +1);
			
			for(int quarterIndex = 0; quarterIndex < companyInfo[0].length; quarterIndex++)
				{
				if(quarterIndex >= 1)
				{
					difference = companyInfo[divisionIndex][quarterIndex] - companyInfo[divisionIndex][quarterIndex - 1];
				}
			System.out.printf("|Quarter %d|: $%,.2f\t, |Difference To Previous Quarter|:( $%,.2f ).\n", quarterIndex + 1, 
						companyInfo[divisionIndex][quarterIndex], difference);			
			}
			
			System.out.println();
		}
	}
	
	//@param method calculates total quarterly sales thru columns
	public static double [] calculateTotalQuarterlySales(double [][] companyInfo, int numberOfQuarters)
	{
		double totalQuarterlySales; //total to accumulate sales for all quarters
		double[] totalQtSalesArray = new double[numberOfQuarters]; //array that will hold total for each quarter
		double difference = 0;
		System.out.println();
		
		for(int quarterIndex = 0; quarterIndex < companyInfo[0].length; quarterIndex++)
			{
			totalQuarterlySales = 0;
			
			for(int divisionIndex = 0; divisionIndex < companyInfo.length; divisionIndex++)
			{
				totalQuarterlySales += companyInfo[divisionIndex][quarterIndex];
			//totalQuarterlySales will increase by companyInfo
			}
			
			totalQtSalesArray [quarterIndex] = totalQuarterlySales;
			//check condition and calculate each division’s increase or decrease from 
			//the previous quarter starting with 
			if(quarterIndex >= 1)
			{
				difference = totalQtSalesArray[quarterIndex] - totalQtSalesArray[quarterIndex - 1];
			}
			
			System.out.printf("Total Sales Per Quarter: |Quarter %d|: $%,.2f,\t  |Difference To Previous Quarter|( $%.2f ).\n", 
					quarterIndex + 1, totalQtSalesArray[quarterIndex], difference);
		}
		//@return 
			return totalQtSalesArray;
			//reference variable that stores totalQtSalesArray array
	}
	
	//@param method To calculate the average sales for all divisions that quarter
	public static void calculeQtSalesAverage(double [] totalQtSales, int numberOfDivisions) 
	{
		System.out.println();
		for(int quarterlySalesIndex = 0; quarterlySalesIndex < totalQtSales.length; quarterlySalesIndex ++)
		{
			System.out.printf("Average Sales For: \t|Quarter %d|: $%,.2f.\n", quarterlySalesIndex + 1, 
					totalQtSales [quarterlySalesIndex] / numberOfDivisions);
		}
	}
	
	public static void showHighestSales(double [][] companyInfo)
	{
		//hold highest sales value
		double highestSales;
		
		//hold highest sales value for a division
		int highestSalesDivisionIndex;
		
		for(int quarterIndex = 0; quarterIndex < companyInfo[0].length; quarterIndex++)
		{
			highestSales = 0;
			highestSalesDivisionIndex = 0;
			
			System.out.println();
			
			for(int divisionIndex = 0; divisionIndex < companyInfo.length; divisionIndex++)
			{
				//check condition for any quarterly sales for any division to be 
				if(companyInfo[divisionIndex][quarterIndex] > highestSales)
				{
					highestSales = companyInfo[divisionIndex][quarterIndex];
					highestSalesDivisionIndex = divisionIndex + 1;
				}
			}
			//display division with the highest sales for that quarter
			System.out.printf("In Quarter %d Division %d had the highest sales in the amount of\t: $%,.2f.\n",
					quarterIndex + 1, highestSalesDivisionIndex + 1, highestSales);
		}
	}
	
	public static void main(String[] args) 
	{
		int numberOfDivisions = 6; //hold number of divisions
		int numberOfQuarters = 4; //hold number of quarters
		
		double [] totalQtSales;
		
		double [][] companyInfo = new double [numberOfDivisions][numberOfQuarters];
		
		enterSalesFigures(companyInfo);
		listSalesFigures(companyInfo);
		totalQtSales = calculateTotalQuarterlySales(companyInfo, numberOfQuarters);
		calculeQtSalesAverage(totalQtSales, numberOfDivisions);
		showHighestSales(companyInfo);
	}
}