📍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>

zh/strategy/README.md

@@ -40,30 +40,27 @@ public interface DragonSlayingStrategy {
   void execute();
 }
 
+@Slf4j
 public class MeleeStrategy implements DragonSlayingStrategy {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(MeleeStrategy.class);
-
   @Override
   public void execute() {
     LOGGER.info("With your Excalibur you sever the dragon's head!");
   }
 }
 
+@Slf4j
 public class ProjectileStrategy implements DragonSlayingStrategy {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(ProjectileStrategy.class);
-
   @Override
   public void execute() {
     LOGGER.info("You shoot the dragon with the magical crossbow and it falls dead on the ground!");
   }
 }
 
+@Slf4j
 public class SpellStrategy implements DragonSlayingStrategy {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(SpellStrategy.class);
-
   @Override
   public void execute() {
     LOGGER.info("You cast the spell of disintegration and the dragon vaporizes in a pile of dust!");