From 46a659c983911b87b38b20cd4b28ab9176e4fdb3 Mon Sep 17 00:00:00 2001
From: braxtonhall
Date: Sun, 23 Oct 2022 19:13:46 -0700
Subject: Add fib-java

---
 .../fib-java/src/CachedFibonacciNumberFactory.java          | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 entries/nritschel/fib-java/src/CachedFibonacciNumberFactory.java

(limited to 'entries/nritschel/fib-java/src/CachedFibonacciNumberFactory.java')

diff --git a/entries/nritschel/fib-java/src/CachedFibonacciNumberFactory.java b/entries/nritschel/fib-java/src/CachedFibonacciNumberFactory.java
new file mode 100644
index 0000000..5c404e8
--- /dev/null
+++ b/entries/nritschel/fib-java/src/CachedFibonacciNumberFactory.java
@@ -0,0 +1,13 @@
+import java.util.HashMap;
+
+public class CachedFibonacciNumberFactory implements FibonacciNumberFactory {
+    private final HashMap<Integer, FibonacciNumber> cachedNumbers = new HashMap<>();
+
+    @Override
+    public FibonacciNumber getFibonacciNumber(int num) {
+        if (!cachedNumbers.containsKey(num)) {
+            cachedNumbers.put(num, new FibonacciNumber(num));
+        }
+        return cachedNumbers.get(num);
+    }
+}
-- 
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