hi all,

Working on this compound Interest Program and want to repeat the
program for  10 different interest rates, I think i should be using a
loop but not quite sure how to go about it. The following is what i
have so far.

Cheers
Shannon

____________________________________________________________________

//Java Packages

import java.text.NumberFormat; // class for numeric formatting
import java.util.Locale; // class for country-specific information

import javax.swing.JOptionPane;
import javax.swing.JTextArea;

public class CompoundInterestProgram {

   public static void main( String args[] )
   {

    double amount; //amount on deposit at end of each year
    double principal = 20000.0; // initial amount before interest

    //create NumberFormat for currency in US dollar format
    NumberFormat moneyFormat = NumberFormat.getCurrencyInstance( Locale.US
);

    // create JTextArea to display output
    JTextArea outputTextArea = new JTextArea();

    // set first line of text in outputTextArea
    outputTextArea.setText( "Year\tAmount on deposit\n" );

    // calculate amount of deposit for each of ten years
    for ( int year = 1; year <= 10; year ++ ) {

       //
       for ( int rate = 1; rate <= 10; rate ++)

          // calculate new amount for specified year
          amount = principal * Math.pow( 1.0 + rate, year );

          // append one line of text to outputTextAea
         outputTextArea.append( year + "\t" + moneyFormat.format( amount
) + "\n" );

    }// end for

      // display results

      JOptionPane.showMessageDialog( null, outputTextArea, "Compound
Interest", JOptionPane.INFORMATION_MESSAGE );

      System.exit ( 0 ); // terminates the application
       
    } // end main
} // end class Interest