From f1ae92771a7b049744754d35ca6701d64f4331d4 Mon Sep 17 00:00:00 2001
From: Ramtin_Jafari <ramtinjafari86@gmail.com>
Date: Sun, 26 Apr 2026 18:56:15 +0330
Subject: [PATCH] modify divide instance method to throw an error when result
 has zero denominator

---
 src/main/java/Rational/Rational.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java
index 94e31fa..b032afb 100644
--- a/src/main/java/Rational/Rational.java
+++ b/src/main/java/Rational/Rational.java
@@ -86,7 +86,7 @@ public class Rational {
     // COMPLETED - Instance method - this / other
     public Rational divide(Rational other) {
         if (other.numerator == 0) {
-            return null;
+            throw new ArithmeticException("Invalid division. Denominator will be zero");
         }
 
         int newNumerator = this.numerator * other.denominator;