📍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>

event-queue/src/main/java/com/iluwatar/event/queue/App.java

@@ -27,8 +27,7 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import javax.sound.sampled.UnsupportedAudioFileException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Event or message queues provide an asynchronous communications protocol, meaning that the sender
@@ -40,10 +39,9 @@ import org.slf4j.LoggerFactory;
  * enqueues the request and returns. The request processor then processes items from the queue at a
  * later time.
  */
+@Slf4j
 public class App {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
-
   /**
    * Program entry point.
    *