/**
 Displays a two-dimensional table showing how interest
 rates affect bank balances.
*/
public class InterestTable
{
   public static void main(String[] args)
   {
      int[][] table = new int[10][6];
      int row, column;
      for (row = 0; row < 10; row++)
         for (column = 0; column < 6; column++)
            table[row][column] = 
                balance(1000.00, row + 1, (5 + 0.5*column));
      System.out.println("Balances for Various Interest Rates");
      System.out.println("Compounded Annually");
      System.out.println("(Rounded to Whole Dollar Amounts)");
      System.out.println("Years 5.00% 5.50% 6.00% 6.50% 7.00% 7.50%");
      System.out.println( );
      for (row = 0; row < 10; row++)
      {
         System.out.print((row + 1) + "      ");
         for (column = 0; column < 6; column++)
               System.out.print("$" + table[row][column] + "  ");
         System.out.println( );
      }
   }
   
   /**
    Returns the balance in an account that starts with startBalance
    and is left for the indicated number of years with rate as the
    interest rate. Interest is compounded annually. The balance is
    rounded to a whole number.
   */
   public static int balance(double startBalance, int years, double rate)
   {
      double runningBalance = startBalance;
      int count;
      for (count = 1; count <= years; count++)
         runningBalance = runningBalance*(1 + rate/100);
      return (int) (Math.round(runningBalance));
   }
}