1  /**

  2     This program computes how long it takes for an investment

  3     to double.

  4  */

  5  public class InvestmentRunner

  6  {

  7     public static void main(String[] args)

  8     {

  9        final double INITIAL_BALANCE = 10000;

 10        final double RATE = 5;

 11        Investment invest = new Investment(INITIAL_BALANCE, RATE);

 12        invest.waitForBalance(2 * INITIAL_BALANCE);

 13        int years = invest.getYears();

 14        System.out.println("The investment doubled after "

 15              + years + " years");

 16     }   

 17  }