Tack to check

Author: JacekKubiak80

src/main/java/core/basesyntax/Counter.java

@@ -12,11 +12,13 @@ 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));
+                "Before decrementing", Thread.currentThread().getName(),
+                value));
         value--;
         logger.info(String.format(MESSAGE,
-                "After decrementing", Thread.currentThread().getName(), value));
+                "After decrementing", Thread.currentThread().getName(),
+                value));
     }
 }