From 9c4042eb88480cc4f9ca64179c264ce714fb173c Mon Sep 17 00:00:00 2001
From: Grzegorz Piwowarek <gpiwowarek@gmail.com>
Date: Mon, 24 Jul 2017 08:49:36 +0200
Subject: [PATCH] Add missing "volatile"s (#2307)

* Add volatile keywords

* Update SafeCounterWithoutLock.java
---
 .../com/baeldung/concurrent/atomic/SafeCounterWithLock.java     | 2 +-
 .../com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java b/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java
index b2502018bb..38633011bf 100644
--- a/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java
+++ b/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java
@@ -1,7 +1,7 @@
 package com.baeldung.concurrent.atomic;
 
 public class SafeCounterWithLock {
-    int counter;
+    private volatile int counter;
     
     public int getValue() {
         return counter;
diff --git a/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java b/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java
index 55226f4f13..41e10789a6 100644
--- a/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java
+++ b/core-java/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java
@@ -3,7 +3,7 @@ package com.baeldung.concurrent.atomic;
 import java.util.concurrent.atomic.AtomicInteger;
 
 public class SafeCounterWithoutLock {
-    AtomicInteger counter = new AtomicInteger(0);
+    private final AtomicInteger counter = new AtomicInteger(0);
     
     public int getValue() {
         return counter.get();