// 11/08/2017

/** The Payroll class calculates the Net Pay for several
 *  employees. 
 *  This is version 6a of the Payroll class which modifies
 *  version 5. (note we will have 6c which modifies 5c)
 *  This version uses ARRAYS.
 *  */


import java.util.Scanner;

public class Payroll6a {
  /**
   * pay is calculated by multiplying hours times rate.
   */
  public static void main(String[] args)   {
    
       Scanner readObject = new Scanner(System.in);
       int numEmployees;
       System.out.print("Enter the number of employees: ");
       numEmployees = readObject.nextInt();
       // allocate parallel arrays of size numEmployees
       double[] rate = new double[numEmployees];
       double[] hours = new double[numEmployees];
       double[] pay = new double[numEmployees];
       String[] name = new String[numEmployees];
             
       readObject.nextLine(); // to skip newline in input buffer
      // for loop to read in info and calculate pay
        for (int i=0; i<numEmployees; i++)  {
         // prompt the user to enter a name
          System.out.print("Enter a name of employee " + (i+1) + ":");
         name[i] = readObject.nextLine();
         // prompt the user to enter data for hours and rate
         System.out.print("Enter number of hours worked and rate of pay: ");     
         hours[i] = readObject.nextDouble();
         rate[i] = readObject.nextDouble();
         pay[i] = rate[i] * hours[i];
         readObject.nextLine(); // to skip newline in input buffer
        }
        // use another for loop to print data to screen formatted
        System.out.println("Name           Hours   Rate     Pay");
        System.out.println("-----------------------------------");
        for (int i=0; i<numEmployees; i++)  {
            System.out.printf("%-10s %6.2f $%6.2f $%,8.2f\n",name[i], 
                           hours[i], rate[i], pay[i]);             
       }
  }
}

/** Lab assignment:
    Write a program that initializes an array of type int.
    Iterate through the array and count how many numbers are bigger
    than 10, how many are smaller than 10, 
    and how many numbers are equal 10.
  */