From e501b2092f1b6872dd9f483800d5e8f9d3148c72 Mon Sep 17 00:00:00 2001
From: Unknown <michele.guarnaccia@gmail.com>
Date: Wed, 11 Mar 2020 20:09:14 +0100
Subject: [PATCH] BAEL-3855

---
 .../main/java/com/baeldung/concurrent/lock/SingleLock.java    | 4 ++--
 .../main/java/com/baeldung/concurrent/lock/StripedLock.java   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/SingleLock.java b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/SingleLock.java
index 84a82baff2..43c6c3e747 100644
--- a/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/SingleLock.java
+++ b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/SingleLock.java
@@ -12,7 +12,7 @@ public class SingleLock extends ConcurrentAccessExperiment {
         lock = new ReentrantLock();
     }
 
-    protected synchronized Supplier<?> putSupplier(Map<String,String> map, int key) {
+    protected Supplier<?> putSupplier(Map<String,String> map, int key) {
         return (()-> {
             try {
                 lock.lock();
@@ -27,7 +27,7 @@ public class SingleLock extends ConcurrentAccessExperiment {
         });
     }
 
-    protected synchronized Supplier<?> getSupplier(Map<String,String> map, int key) {
+    protected Supplier<?> getSupplier(Map<String,String> map, int key) {
         return (()-> {
             try {
                 lock.lock();
diff --git a/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/StripedLock.java b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/StripedLock.java
index ac94de6451..8b661ecedc 100644
--- a/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/StripedLock.java
+++ b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/StripedLock.java
@@ -13,7 +13,7 @@ public class StripedLock extends ConcurrentAccessExperiment {
         stripedLock = Striped.lock(buckets);
     }
 
-    protected synchronized Supplier<?> putSupplier(Map<String,String> map, int key) {
+    protected Supplier<?> putSupplier(Map<String,String> map, int key) {
         return (()-> {
         	int bucket = key % stripedLock.size();
             Lock lock = stripedLock.get(bucket);
@@ -31,7 +31,7 @@ public class StripedLock extends ConcurrentAccessExperiment {
         });
     }
 
-    protected synchronized Supplier<?> getSupplier(Map<String,String> map, int key) {
+    protected Supplier<?> getSupplier(Map<String,String> map, int key) {
         return (()-> {
         	int bucket = key % stripedLock.size();
             Lock lock = stripedLock.get(bucket);