From 305ac2de29d110e3ccf526a6304b037f17860fcf Mon Sep 17 00:00:00 2001
From: Ardi Madadi
Date: Sat, 10 Dec 2022 14:08:08 +1300
Subject: Ardi's entry in Java

---
 entries/ardier/java/Main.java | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 entries/ardier/java/Main.java

(limited to 'entries')

diff --git a/entries/ardier/java/Main.java b/entries/ardier/java/Main.java
new file mode 100644
index 0000000..554e346
--- /dev/null
+++ b/entries/ardier/java/Main.java
@@ -0,0 +1,23 @@
+import java.util.HashSet;
+
+public class Main {
+    private static HashSet<Integer> BASE_CASE;
+
+    public static void main(String[] args) {
+        BASE_CASE = new HashSet<Integer>();
+        BASE_CASE.add(1);
+        BASE_CASE.add(2);
+
+        for (int i = -20; i < 20; i++) {
+            System.out.println("The fib value for " + i + " is " + fib(i));
+        }
+    }
+
+    private static int fib(int entry) {
+        return entry == 0 ? 0 : ((entry < 0 && entry % 2 == 0) ? -fibHelper(Math.abs(entry)) : fibHelper(Math.abs(entry)));
+    }
+
+    private static int fibHelper(int entry) {
+        return BASE_CASE.contains(entry) ? 1 : fibHelper(entry - 1) + fibHelper(entry - 2);
+    }
+}
\ No newline at end of file
-- 
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