From 3850bf4349142d20151ada5e6ea0fafe14b04d97 Mon Sep 17 00:00:00 2001
From: Ihor Romaniuk <ihor.rome@gmail.com>
Date: Thu, 5 Mar 2026 16:39:46 +0200
Subject: [PATCH] add solution

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

diff --git a/src/main/java/core/basesyntax/Counter.java b/src/main/java/core/basesyntax/Counter.java
index 4af46bd4..feb1ad7d 100644
--- a/src/main/java/core/basesyntax/Counter.java
+++ b/src/main/java/core/basesyntax/Counter.java
@@ -12,7 +12,7 @@ public Counter(int value) {
         this.value = value;
     }
 
-    public void decreaseValue() {
+    public synchronized void decreaseValue() {
         logger.info(String.format(MESSAGE,
                 "Before decrementing", Thread.currentThread().getName(), value));
         value--;