diff --git a/src/main/java/com/thealgorithms/Recursion/FibonacciSeries.java b/src/main/java/com/thealgorithms/Recursion/FibonacciSeries.java
new file mode 100644
index 000000000000..a89d110b8da3
--- /dev/null
+++ b/src/main/java/com/thealgorithms/Recursion/FibonacciSeries.java
@@ -0,0 +1,21 @@
+package com.thealgorithms.Recursion;
+
+/*
+ The Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones,
+ starting with 0 and 1.
+ NUMBER 0 1 2 3 4 5 6 7 8 9 10 ...
+ FIBONACCI 0 1 1 2 3 5 8 13 21 34 55 ...
+*/
+
+public final class FibonacciSeries {
+ private FibonacciSeries() {
+ throw new UnsupportedOperationException("Utility class");
+ }
+ public static int fibonacci(int n) {
+ if (n <= 1) {
+ return n;
+ } else {
+ return fibonacci(n - 1) + fibonacci(n - 2);
+ }
+ }
+}
diff --git a/src/test/java/com/thealgorithms/Recursion/FibonacciSeriesTest.java b/src/test/java/com/thealgorithms/Recursion/FibonacciSeriesTest.java
new file mode 100644
index 000000000000..4e4fc45809ba
--- /dev/null
+++ b/src/test/java/com/thealgorithms/Recursion/FibonacciSeriesTest.java
@@ -0,0 +1,27 @@
+package com.thealgorithms.Recursion;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class FibonacciSeriesTest {
+
+ @Test
+ public void testFibonacci() {
+ assertEquals(0, FibonacciSeries.fibonacci(0));
+ assertEquals(1, FibonacciSeries.fibonacci(1));
+ assertEquals(1, FibonacciSeries.fibonacci(2));
+ assertEquals(2, FibonacciSeries.fibonacci(3));
+ assertEquals(3, FibonacciSeries.fibonacci(4));
+ assertEquals(5, FibonacciSeries.fibonacci(5));
+ assertEquals(8, FibonacciSeries.fibonacci(6));
+ assertEquals(13, FibonacciSeries.fibonacci(7));
+ assertEquals(21, FibonacciSeries.fibonacci(8));
+ assertEquals(34, FibonacciSeries.fibonacci(9));
+ assertEquals(55, FibonacciSeries.fibonacci(10));
+ assertEquals(89, FibonacciSeries.fibonacci(11));
+ assertEquals(144, FibonacciSeries.fibonacci(12));
+ assertEquals(233, FibonacciSeries.fibonacci(13));
+ assertEquals(377, FibonacciSeries.fibonacci(14));
+ }
+}
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