/* Simulation of console-I/O program Interest2,
   using ConsoleApplet as a basis.  See the file
   ConsoleApplet.java for more information.
   
   David Eck
   eck@hws.edu
   
   August 2, 1996
*/

public class Interest2Console extends ConsoleApplet {

   public void init() {
      title = "Sample program \"Interest2\"";
      super.init();
   }

   protected void program() {

      /*
        Program computes the amount of interest that is
        earned on $17,000 invested at an interest
        rate of 0.07 for 5 years.  The value of
        the investment at the end of each year
        is printed to standard output.
      */

      double principal = 17000;  // the initial value of the investment
      double rate = 0.07;        // the annual interest rate
      
      int years = 0;  // counts the number of years tha have passed
      
      while (years < 5) {
         double interest = principal * rate;   // compute this year's interest
         principal = principal + interest;     // add it to principal
         years = years + 1;    // count the current year.
         console.put("The value of the investment after ");
         console.put(years);
         console.put(" years is $");
         console.putln(principal);
      } // end of while loop
   
   }

}