From b6f5d7a5fef45525f8ac11b46e0dbdcf678eaaf6 Mon Sep 17 00:00:00 2001
From: KONG LEONG LEE <kongleong86@hotmail.com>
Date: Sat, 21 Oct 2023 01:59:47 +0100
Subject: [PATCH] refactoring #1012: Format specifiers should be used instead
 of string concatenation.

---
 .../src/main/java/com/iluwatar/specialcase/OutOfStock.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/special-case/src/main/java/com/iluwatar/specialcase/OutOfStock.java b/special-case/src/main/java/com/iluwatar/specialcase/OutOfStock.java
index 225eae7c93ef..64ef4da80ac2 100644
--- a/special-case/src/main/java/com/iluwatar/specialcase/OutOfStock.java
+++ b/special-case/src/main/java/com/iluwatar/specialcase/OutOfStock.java
@@ -44,6 +44,8 @@ public OutOfStock(String userName, String itemName) {
 
   @Override
   public void show() {
-    LOGGER.info("Out of stock: {} for user = {} to buy", itemName, userName);
+    if (LOGGER.isInfoEnabled()) {
+      LOGGER.info(String.format("Out of stock: %s for user = %s to buy", itemName, userName));
+    }
   }
 }