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-rw-r--r--entries/nritschel/fib-java/src/Main.java21
1 files changed, 21 insertions, 0 deletions
diff --git a/entries/nritschel/fib-java/src/Main.java b/entries/nritschel/fib-java/src/Main.java
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+++ b/entries/nritschel/fib-java/src/Main.java
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+public class Main {
+ public static void main(String[] args) {
+ if (args.length < 1) {
+ System.out.println("""
+ Please provide:
+ 1. fibonacci number to compute, and
+ 2. (optional) the calculation method (naive or cached).""");
+ }
+ else {
+ FibonacciNumberFactory factory;
+ if (args.length >= 2 && args[1].equals("naive")) {
+ factory = new NaiveFibonacciNumberFactory();
+ }
+ else {
+ factory = new CachedFibonacciNumberFactory();
+ }
+ FibonacciCalculator calculator = new FibonacciCalculatorImpl(factory);
+ System.out.println(factory.getFibonacciNumber(Integer.parseInt(args[0])).calculate(calculator));
+ }
+ }
+}