public class Problem_2_Even_Fibonacci_Numbers { /* Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms. */ public static void main (String[] args) { fibonacci(1, 2); } static int sum = 0, fibonacciSequence = 0; public static void fibonacci (int i, int j) { fibonacciSequence = j; if (fibonacciSequence <= 4000000) { // 4 million if (j % 2 == 0) { sum += j; } fibonacci(j, i + j); } else { System.out.println(sum); } } }DOWNLOAD

Created: February 10, 2014

Completed in full by: Michael Yaworski