Iteration - Java Concepts - page 330

70 private int years;
71 }

ch06/invest2/InvestmentRunner.java

1 /**
>2This program computes how much an investment grows in
3a given number of years.
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 final int YEARS = 20;
12 Investment invest = new
Investment(INITIAL_BALANCE, RATE);
13 invest.waitYears(YEARS);
14 double balance = invest.getBalance();
15 System.out.printf(ÐThe balance after
%d years is %.2f\nÑ,
16 YEARS, balance);
17 }
18 }

Output

The balance after 20 years is 26532.98

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S ELF C HECK

3. Rewrite the for loop in the waitYears method as a while loop.

4. How many times does the following for loop execute?

for (i = 0; i <= 10; i++)
System.out.println(i * i);