import java.util.Scanner;
public class SalesCommission
{
// begining of countRanges method
public static void countRanges()
{
// creates scanner to obtain input from command window
Scanner input = new Scanner(System.in);
final double CommssonRateOnGrossSales = 0.09;
final double baseWeeklySalary = 200.0;
final double weeklyPayRangeIncrement = 100.0;
double salesAmount;
double weeklyPay;
final int weeklyPayRanges = 9;
int weeklyPayRange;
// define constant of type String named salesAmountPrompt
final String salesAmountPrompt = ("Enter salesperson %2d's weekly sales, or <ctrl>z to stop: ");
int salespersonNumber = 1;
//INSTANTIATE a local array variable with weeklyPayRanges elements of type int named countOfWeeklyPayByRange
final int countOfWeeklyPayByRange[]; countOfWeeklyPayByRange = new int [9];
// displays the task id and programmer
System.out.println("\nTask 10-02, Ch07, Programmed by Michael Statham\n");
//Displays the Weekly Sales and Weekly Pay by Salesperson line
System.out.println("Weekly Sales and Weekly Pay by Salesperson:");
//Initialize each element of the countOfWeeklyPayByRange array to zero:
int countOfWeeklyPayByRanges[] = {0, /* $200-$299 */
0, /* $300-$399 */
0, /* $400-$499 */
0, /* $500-$599 */
0, /* $600-$699 */
0, /* $700-$799 */
0, /* $800-$899 */
0, /* $900-$999 */
0}; /* $1000 and over */
// FOR weeklyPayRange FROM zero TO (countOfWeeklyPayByRange.length – 1) BY 1
//ASSIGN zero TO countOfWeeklyPayByRange [ weeklyPayRange ]
for (weeklyPayRange = 0; weeklyPayRange > countOfWeeklyPayByRange.length -1;
countOfWeeklyPayByRange[(int) weeklyPayRange] = 0);
//END FOR
//Using method printf, DISPLAY the following prompt
System.out.printf ("\t "+
salesAmountPrompt, salespersonNumber);
while (input.hasNext());
//ASSIGN input.nextDouble() TO salesAmount
salesAmount = input.nextDouble();
//ASSIGN baseWeeklySalary + salesAmount multiplied by commissionRateOnGrossSale to weeklyPays
weeklyPay = (baseWeeklySalary + salesAmount * CommssonRateOnGrossSales);
//ASSIGN int weeklyPay / weeklyPayRangeIncrement to weeklyPayRange
weeklyPayRange = (int) (weeklyPay/weeklyPayRange++);
if (weeklyPayRange > (countOfWeeklyPayByRange.length - 1));
weeklyPayRange = (countOfWeeklyPayByRange.length -1);
//End if
//INCREMENT countOfWeeklyPayByRange [ weeklyPayRange - 2 ]
++countOfWeeklyPayByRange[(int) (weeklyPayRange - 2)];
//Using method printf, DISPLAY the following prompt:
System.out.printf("\t Weekly Pay for Salesperson %2d is $%,8.2f; " + salesAmountPrompt,
salespersonNumber, weeklyPay, ++salespersonNumber);
//End while
//DISPLAY the "Salesperson Count by Weekly Pay Range:" line
System.out.println("Salesperson Count by Weekly Pay Range:");
//Using method printf, DISPLAY the following heading line; Weekly Pay, Salesperson
System.out.printf("\n\t%14s\t\t%11s", " Weekly Pay ", "Salesperson");
//Using method printf, DISPLAY the following heading line; Range, Count
System.out.printf ("\n\t%14s\t\t%11s\n", " Range ", " Count ");
//FOR weeklyPayRange FROM zero TO (countOfWeeklyPayByRange.length - 2) BY 1
for (weeklyPayRange = 0; weeklyPayRange < countOfWeeklyPayByRange.length - 2;
//Using method printf, DISPLAY the following line: int baseWeeklySalary + weeklyPayRangeIncrement
//* weeklyPayRange, int 99.0 + baseWeeklySalary + weeklyPayRangeIncrement * weeklyPayRange,
//countOfWeeklyPayByRange weeklyPayRange
System.out.printf ("\n\t$%,5d?-?$%,5d\t\t%,6d", baseWeeklySalary +
(++weeklyPayRange * weeklyPayRange), + baseWeeklySalary +
(weeklyPayRangeIncrement * weeklyPayRange),(countOfWeeklyPayByRange[(int) weeklyPayRange])));
//End for
//Using method printf, DISPLAY the following line; 1,000 and over
//count Of Weekly Pay By Range, (countOfWeeklyPayByRange.length - 1) ] )
System.out.printf ("\n\t$1,000 and over\t\t%,6d", weeklyPay,
(countOfWeeklyPayByRange.length -1));
//DISPLAY a blank line followed by the "End of program" line
System.out.println("\nEnd of program");
}//end method
}//end SalesCommission
Unsolved 
) and good luck in next progress plus don't forget bracklets in for/while/while do loops or if loops if they have to do more then one process-line of code 
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