From 1cabd977e3a14af5e2651f330472e77c63efb70f Mon Sep 17 00:00:00 2001
From: nir-ya <49907259+nir-ya@users.noreply.github.com>
Date: Mon, 6 Jan 2020 15:54:15 +0200
Subject: [PATCH] Add files via upload

added factorial function
---
 Main.java | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Main.java

diff --git a/Main.java b/Main.java
new file mode 100644
index 0000000..2ef78e8
--- /dev/null
+++ b/Main.java
@@ -0,0 +1,21 @@
+public class Main {
+
+    static private int factorial(int n)
+    {
+        if (n == 0)
+        {
+            return 1;
+        }
+        else if (n > 0)
+        {
+            return n * factorial(n - 1);
+        }
+        else {
+            throw new IllegalArgumentException();
+        }
+    }
+
+    public static void main(String[] args) {
+        System.out.println(factorial(3));
+    }
+}