From fa6be261c98362342d4c9e1b81bd37f4ceb7f55d Mon Sep 17 00:00:00 2001
From: overflowerror <mail@overflowerror.com>
Date: Sun, 6 Jun 2021 00:01:20 +0200
Subject: [PATCH] added fizzbuzz without custom number type

---
 fizzbuzz/Fizzbuzz.java | 46 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 fizzbuzz/Fizzbuzz.java

diff --git a/fizzbuzz/Fizzbuzz.java b/fizzbuzz/Fizzbuzz.java
new file mode 100644
index 0000000..19853f7
--- /dev/null
+++ b/fizzbuzz/Fizzbuzz.java
@@ -0,0 +1,46 @@
+public class Fizzbuzz {
+
+	@FunctionalInterface
+	static interface Action {
+		void execute();
+	}
+
+	@FunctionalInterface
+	static interface Consumer {
+		void take(int i);
+	}
+
+	static Action nop = () -> {};
+	
+	static void executeIfElse(int condition, Action ifAction, Action elseAction) {
+		Action[] branches = new Action[condition + 1];
+		branches[condition] = ifAction;
+		branches[0] = elseAction;
+		branches[condition].execute();
+	}
+	
+	static void forLoop(int start, int end, Consumer each) {
+		executeIfElse(end - start, () -> {
+			each.take(start);
+			forLoop(start + 1, end, each);
+		}, nop);
+	}
+
+	public static void main(String[] args) {
+		forLoop(1, 20, i -> {
+			executeIfElse(i % 3, () -> {
+				executeIfElse(i % 5, () -> {
+					System.out.print(i);
+				}, () -> {
+					System.out.print("Buzz");
+				});
+			}, () -> {
+				System.out.print("Fizz");
+				executeIfElse(i % 5, nop, () -> {
+					System.out.print(" Buzz");
+				});
+			});
+			System.out.println();
+		});
+	}
+}