From 657abba2591ebab3c92ab635869693f205f50dce Mon Sep 17 00:00:00 2001
From: Antonio Moreno <thedownhiller@gmail.com>
Date: Thu, 6 Feb 2020 22:55:09 +0000
Subject: [PATCH] BAEL-3635 Intro to Alibaba Arthas

Adding a case study to show Arthas.
---
 .../baeldung/arthas/FibonacciGenerator.java   | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 libraries-3/src/main/java/com/baeldung/arthas/FibonacciGenerator.java

diff --git a/libraries-3/src/main/java/com/baeldung/arthas/FibonacciGenerator.java b/libraries-3/src/main/java/com/baeldung/arthas/FibonacciGenerator.java
new file mode 100644
index 0000000000..27cf0dacf6
--- /dev/null
+++ b/libraries-3/src/main/java/com/baeldung/arthas/FibonacciGenerator.java
@@ -0,0 +1,25 @@
+package com.baeldung.arthas;
+
+import java.io.IOException;
+
+import static java.lang.String.format;
+
+public class FibonacciGenerator {
+
+    public static void main(String[] args) throws IOException {
+        System.out.println("Press a key to continue");
+        System.in.read();
+        for (int i = 0; i < 100; i++) {
+            long result = fibonacci(i);
+            System.out.println(format("fib(%d): %d", i, result));
+        }
+    }
+
+    public static long fibonacci(int n) {
+        if (n == 0 || n == 1) {
+            return 1L;
+        } else {
+            return fibonacci(n - 1) + fibonacci(n - 2);
+        }
+    }
+}