import java.util.Scanner; import java.io.*; public class FabonacciSum { public static void main(String[] args){ int my_input, i, sum; System.out.println("Required packages have been imported"); Scanner my_scanner = new Scanner(System.in); System.out.println("A reader object has been defined "); System.out.println("Enter the value of N: "); my_input = my_scanner.nextInt(); int fabonacci[] = new int[2 * my_input + 1]; fabonacci[0] = 0; fabonacci[1] = 1; sum = 0; for (i = 2; i <= 2 * my_input; i++) { fabonacci[i] = fabonacci[i - 1] + fabonacci[i - 2]; if (i % 2 == 0) sum += fabonacci[i]; } System.out.printf("Even sum of fibonacci series till number %d is %d" , my_input, sum); } }