1 files changed, 19 insertions, 0 deletions
diff --git a/entries/nritschel/fib-java/src/FibonacciNumber.java b/entries/nritschel/fib-java/src/FibonacciNumber.java
new file mode 100644
index 0000000..fc9381f
--- /dev/null
+++ b/entries/nritschel/fib-java/src/FibonacciNumber.java
@@ -0,0 +1,19 @@
+public class FibonacciNumber {
+    private final int number;
+    private Integer result;
+
+    public FibonacciNumber(int number) {
+        this.number = number;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+
+    public int calculate(FibonacciCalculator calculator) {
+        if (result == null) {
+            result = calculator.calculateFibonacci(this);
+        }
+        return result;
+    }
+}