Create SumOfFibonacciSeries.java

Java/Language/SumOfFibonacciSeries.java

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+/*
+Author: Raviteja
+Date: 08/10/202
+Description: This code finds even sum of fibonacci series till number n
+*/
+import java.io.*;
+
+class SumOfFibonacciSeries {
+
+  // Computing the value of first fibonacci series
+  // and storing the sum of even indexed numbers
+  static int Fib_Even_Sum(int N) {
+    if (N <= 0) {
+      return 0; 
+    }
+
+    int fib[] = new int[2 * N + 1];
+    fib[0] = 0;
+    fib[1] = 1;
+
+    // Initializing the sum
+    int s = 0;
+
+    // Adding remaining numbers
+    for (int j = 2; j <= 2 * N; j++) {
+      fib[j] = fib[j - 1] + fib[j - 2];
+
+      // Only considering even indexes
+  if (j % 2 == 0) {
+    s += fib[j];
+    } 
+    }
+
+    return s;
+  }
+
+  // The Driver code
+  public static void main(String[] args) {
+    int N = 11;
+
+    // Prints the sum of even-indexed numbers
+    System.out.println(
+      "Even sum of fibonacci series till number " + N +
+      " is: " + +Fib_Even_Sum(N));
+  }
+}