📍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/adapter/README.md

@@ -41,8 +41,8 @@ public interface RowingBoat {
   void row();
 }
 
+@Slf4j
 public class FishingBoat {
-  private static final Logger LOGGER = LoggerFactory.getLogger(FishingBoat.class);
   public void sail() {
     LOGGER.info("The fishing boat is sailing");
   }
@@ -68,10 +68,9 @@ public class Captain {
 现在海盗来了，我们的船长需要逃跑但是只有一个渔船可用。我们需要创建一个可以让船长使用其划船技能来操作渔船的适配器。
 
 ```java
+@Slf4j
 public class FishingBoatAdapter implements RowingBoat {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(FishingBoatAdapter.class);
-
   private final FishingBoat boat;
 
   public FishingBoatAdapter() {

zh/chain/README.md

@@ -61,8 +61,8 @@ public enum RequestType {
 然后是请求处理器的层次结构
 
 ```java
+@Slf4j
 public abstract class RequestHandler {
-  private static final Logger LOGGER = LoggerFactory.getLogger(RequestHandler.class);
   private final RequestHandler next;
 
   public RequestHandler(RequestHandler next) {

zh/decorator/README.md

@@ -40,10 +40,9 @@ public interface Troll {
   void fleeBattle();
 }
 
+@Slf4j
 public class SimpleTroll implements Troll {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(SimpleTroll.class);
-
   @Override
   public void attack() {
     LOGGER.info("The troll tries to grab you!");
@@ -64,10 +63,9 @@ public class SimpleTroll implements Troll {
 下面我们想为巨魔添加球棒。我们可以用装饰者来动态的实现。
 
 ```java
+@Slf4j
 public class ClubbedTroll implements Troll {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(ClubbedTroll.class);
-
   private final Troll decorated;
 
   public ClubbedTroll(Troll decorated) {

zh/facade/README.md

@@ -31,10 +31,9 @@ tags:
 使用上面金矿的例子。这里我们有矮人的矿工等级制度。
 
 ```java
+@Slf4j
 public abstract class DwarvenMineWorker {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(DwarvenMineWorker.class);
-
   public void goToSleep() {
     LOGGER.info("{} goes to sleep.", name());
   }
@@ -87,10 +86,9 @@ public abstract class DwarvenMineWorker {
   }
 }
 
+@Slf4j
 public class DwarvenTunnelDigger extends DwarvenMineWorker {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(DwarvenTunnelDigger.class);
-
   @Override
   public void work() {
     LOGGER.info("{} creates another promising tunnel.", name());
@@ -102,10 +100,9 @@ public class DwarvenTunnelDigger extends DwarvenMineWorker {
   }
 }
 
+@Slf4j
 public class DwarvenGoldDigger extends DwarvenMineWorker {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(DwarvenGoldDigger.class);
-
   @Override
   public void work() {
     LOGGER.info("{} digs for gold.", name());
@@ -117,10 +114,9 @@ public class DwarvenGoldDigger extends DwarvenMineWorker {
   }
 }
 
+@Slf4j
 public class DwarvenCartOperator extends DwarvenMineWorker {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(DwarvenCartOperator.class);
-
   @Override
   public void work() {
     LOGGER.info("{} moves gold chunks out of the mine.", name());

zh/observer/README.md

@@ -42,20 +42,18 @@ public interface WeatherObserver {
   void update(WeatherType currentWeather);
 }
 
+@Slf4j
 public class Orcs implements WeatherObserver {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(Orcs.class);
-
   @Override
   public void update(WeatherType currentWeather) {
     LOGGER.info("The orcs are facing " + currentWeather.getDescription() + " weather now");
   }
 }
 
+@Slf4j
 public class Hobbits implements WeatherObserver {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(Hobbits.class);
-
   @Override
   public void update(WeatherType currentWeather) {
     switch (currentWeather) {
@@ -67,10 +65,9 @@ public class Hobbits implements WeatherObserver {
 然后这里是不断变化的天气。
 
 ```java
+@Slf4j
 public class Weather {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(Weather.class);
-
   private WeatherType currentWeather;
   private final List<WeatherObserver> observers;
 

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!");