📍Use lombok, reformat, and optimize the code (#1560)

* Use lombok, reformat, and optimize the code

* Fix merge conflicts and some sonar issues

Co-authored-by: va1m <va1m@email.com>

priority-queue/src/main/java/com/iluwatar/priority/queue/PriorityMessageQueue.java

@@ -25,18 +25,16 @@ package com.iluwatar.priority.queue;
 
 import static java.util.Arrays.copyOf;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Keep high Priority message on top using maxHeap.
  *
  * @param <T> :  DataType to push in Queue
  */
+@Slf4j
 public class PriorityMessageQueue<T extends Comparable> {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(PriorityMessageQueue.class);
-
   private int size = 0;
 
   private int capacity;

priority-queue/src/main/java/com/iluwatar/priority/queue/Worker.java

@@ -23,16 +23,14 @@
 
 package com.iluwatar.priority.queue;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Message Worker.
  */
+@Slf4j
 public class Worker {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(Worker.class);
-
   private final QueueManager queueManager;
 
   public Worker(QueueManager queueManager) {

priority-queue/src/test/java/com/iluwatar/priority/queue/PriorityMessageQueueTest.java

@@ -35,7 +35,7 @@ public class PriorityMessageQueueTest {
 
 
   @Test
-  public void remove() {
+  void remove() {
     var stringPriorityMessageQueue = new PriorityMessageQueue<>(new String[2]);
     var pushMessage = "test";
     stringPriorityMessageQueue.add(pushMessage);
@@ -43,7 +43,7 @@ public class PriorityMessageQueueTest {
   }
 
   @Test
-  public void add() {
+  void add() {
     var stringPriorityMessageQueue = new PriorityMessageQueue<>(new Integer[2]);
     stringPriorityMessageQueue.add(1);
     stringPriorityMessageQueue.add(5);
@@ -53,7 +53,7 @@ public class PriorityMessageQueueTest {
   }
 
   @Test
-  public void isEmpty() {
+  void isEmpty() {
     var stringPriorityMessageQueue = new PriorityMessageQueue<>(new Integer[2]);
     assertTrue(stringPriorityMessageQueue.isEmpty());
     stringPriorityMessageQueue.add(1);
@@ -62,7 +62,7 @@ public class PriorityMessageQueueTest {
   }
 
   @Test
-  public void testEnsureSize() {
+  void testEnsureSize() {
     var stringPriorityMessageQueue = new PriorityMessageQueue<>(new Integer[2]);
     assertTrue(stringPriorityMessageQueue.isEmpty());
     stringPriorityMessageQueue.add(1);

priority-queue/src/test/java/com/iluwatar/priority/queue/QueueManagerTest.java

@@ -33,7 +33,7 @@ import org.junit.jupiter.api.Test;
 public class QueueManagerTest {
 
   @Test
-  public void publishMessage() {
+  void publishMessage() {
     var queueManager = new QueueManager(2);
     var testMessage = new Message("Test Message", 1);
     queueManager.publishMessage(testMessage);
@@ -42,7 +42,7 @@ public class QueueManagerTest {
   }
 
   @Test
-  public void receiveMessage() {
+  void receiveMessage() {
     var queueManager = new QueueManager(2);
     var testMessage1 = new Message("Test Message 1", 1);
     queueManager.publishMessage(testMessage1);