/**
 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];
		for (int row = 0; row < 10; row++)
			for (int column = 0; column < 6; column++)
				table[row][column] = 
					getBalance(1000.00, row + 1, (5 + 0.5 * column));
				
		System.out.println("Balances for Various Interest Rates " +
					       "Compounded Annually");
		System.out.println("(Rounded to Whole Dollar Amounts)");
		System.out.println( );
		System.out.println("Years  5.00%  5.50%  6.00%  6.50%  7.00%  7.50%");
		for (int row = 0; row < 10; row++)
		{
			System.out.print((row + 1) + "      ");
			for (int column = 0; column < 6; column++)
				System.out.print("$" + table[row][column] + "  ");
			System.out.println( );
		}
   }
   
   /**
    Returns the balance in an account after a given number of years 
    and interest rate with an initial balance of startBalance.
    Interest is compounded annually. The balance is rounded
    to a whole number.
   */
   public static int getBalance(double startBalance, int years, double rate)
   {
      double runningBalance = startBalance;
      for (int count = 1; count <= years; count++)
         runningBalance = runningBalance * (1 + rate / 100);
      return (int)(Math.round(runningBalance));
   }
}