Fibonacci.java

public class Fibonacci {

	public static void main(String[] args) {
		int result = 0;
		int first = 0, second = 1;
		int sum = 0;
		for (;;) {
			result = first + second;
			if (result > 4000000) {
				break;
			}
			if (result % 2 == 0) {
				sum = sum + result;
			}
			first = second;
			second = result;
		}
		System.out.println(sum);//4613732
	}
}