From 04a7696d53701465f2305ceea2218171c1652c9e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Dyda?= <pawel.dyda@amu.edu.pl>
Date: Sat, 12 Nov 2022 20:24:50 +0100
Subject: [PATCH] Imperative code example.

---
 .../edu/demo/primes/UglyImperativePrimes.java | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 demo/03/src/main/java/pl/amu/edu/demo/primes/UglyImperativePrimes.java

diff --git a/demo/03/src/main/java/pl/amu/edu/demo/primes/UglyImperativePrimes.java b/demo/03/src/main/java/pl/amu/edu/demo/primes/UglyImperativePrimes.java
new file mode 100644
index 0000000..55e07ce
--- /dev/null
+++ b/demo/03/src/main/java/pl/amu/edu/demo/primes/UglyImperativePrimes.java
@@ -0,0 +1,32 @@
+package pl.amu.edu.demo.primes;
+
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+public class UglyImperativePrimes {
+
+    public static void main(String[] args) {
+        new UglyImperativePrimes().printPrimes();
+    }
+
+    public void printPrimes() {
+        for (int i = 0; i < 121; i++) {
+            if (isPrime(i)) {
+                System.out.printf("%d is prime\n", i);
+            }
+        }
+    }
+
+    private boolean isPrime(int number) {
+        if (number <= 0) {
+            return false;
+        }
+        for (int i = 2; i <= (int) Math.sqrt(number); i++) {
+            if (number % i == 0) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+}