/* Simulation of console-I/O program Interest3,
   using ConsoleApplet as a basis.  See the file
   ConsoleApplet.java for more information.
   
   David Eck
   eck@hws.edu
   
   August 2, 1996
*/

public class Interest3Console extends ConsoleApplet {

   public void init() {
      title = "Sample program \"Interest3\"";
      super.init();
   }

   protected void program() {
      /*
          Program computes and prints the value of investment
          for each of the next five years.  Initial value
          and interest rate are read as input from the 
          user.
      */

      double principal;  // the value of the investment
      double rate;       // the annual interest rate
      
      console.put("Enter the initial investment: ");
      principal = console.getlnDouble();
      
      console.put("Enter the annual interest rate: ");
      rate = console.getlnDouble();
      
      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.
         if (years > 1) {
            console.put("The value of the investment after ");
            console.put(years);
            console.put(" years is $");
         }
         else {
            console.put("The value of the investment after 1 year is $");
         }
         console.putln(principal);
      } // end of while loop
   
   }

}