dependencies: iluwatar#2449 bump maven-checkstyle-plugin from 3.1.0 to 3.2.0 + resolve chec… (iluwatar#2464)

* iluwatar#2449 bump maven-checkstyle-plugin from 3.1.0 to 3.2.0 + resolve checkstyle issues

* remove FileSelectorJFrame.java to resolve checkstyle issue

* remove FileSelectorJFrame.java to resolve checkstyle issue

* remove FileSelectorJFrame.java to resolve checkstyle issue

* add refactored file with correct filename to resolve checkstyle issue

* add the test data

* change filenames from JFrame to Jframe for checkstyle

* fix code smell from  sonar report

* add new testcases to improve the test coverage

* remove code smell

Author: rahul-raj

abstract-document/src/test/java/com/iluwatar/abstractdocument/AbstractDocumentTest.java

@@ -25,7 +25,6 @@
 package com.iluwatar.abstractdocument;
 
 import org.junit.jupiter.api.Test;
-
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

abstract-document/src/test/java/com/iluwatar/abstractdocument/DomainTest.java

@@ -28,7 +28,6 @@
 import com.iluwatar.abstractdocument.domain.Part;
 import com.iluwatar.abstractdocument.domain.enums.Property;
 import org.junit.jupiter.api.Test;
-
 import java.util.List;
 import java.util.Map;
 

abstract-factory/src/main/java/com/iluwatar/abstractfactory/Kingdom.java

@@ -27,6 +27,9 @@
 import lombok.Getter;
 import lombok.Setter;
 
+/**
+ * Helper class to manufacture {@link KingdomFactory} beans. 
+ */
 @Getter
 @Setter
 public class Kingdom {

active-object/src/main/java/com/iluwatar/activeobject/ActiveCreature.java

@@ -26,7 +26,6 @@
 
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -77,8 +76,8 @@ protected ActiveCreature(String name) {
    */
   public void eat() throws InterruptedException {
     requests.put(() -> {
-      logger.info("{} is eating!",name());
-      logger.info("{} has finished eating!",name());
+      logger.info("{} is eating!", name());
+      logger.info("{} has finished eating!", name());
     });
   }
 
@@ -88,7 +87,7 @@ public void eat() throws InterruptedException {
    */
   public void roam() throws InterruptedException {
     requests.put(() ->
-        logger.info("{} has started to roam in the wastelands.",name())
+        logger.info("{} has started to roam in the wastelands.", name())
     );
   }
 

active-object/src/main/java/com/iluwatar/activeobject/App.java

@@ -26,7 +26,6 @@
 
 import java.util.ArrayList;
 import java.util.List;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -58,7 +57,7 @@ public static void main(String[] args) {
   public void run() {
     List<ActiveCreature> creatures = new ArrayList<>();
     try {
-      for (int i = 0;i < NUM_CREATURES;i++) {
+      for (int i = 0; i < NUM_CREATURES; i++) {
         creatures.add(new Orc(Orc.class.getSimpleName() + i));
         creatures.get(i).eat();
         creatures.get(i).roam();
@@ -68,7 +67,7 @@ public void run() {
       logger.error(e.getMessage());
       Thread.currentThread().interrupt();
     } finally {
-      for (int i = 0;i < NUM_CREATURES;i++) {
+      for (int i = 0; i < NUM_CREATURES; i++) {
         creatures.get(i).kill(0);
       }
     }

adapter/src/test/java/com/iluwatar/adapter/AdapterPatternTest.java

@@ -26,7 +26,6 @@
 
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-
 import java.util.HashMap;
 import java.util.Map;
 

business-delegate/src/test/java/com/iluwatar/business/delegate/AppTest.java

@@ -25,7 +25,6 @@
 package com.iluwatar.business.delegate;
 
 import org.junit.jupiter.api.Test;
-
 import java.io.IOException;
 
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;

caching/src/main/java/com/iluwatar/caching/AppManager.java

@@ -25,9 +25,7 @@
 package com.iluwatar.caching;
 
 import com.iluwatar.caching.database.DbManager;
-
 import java.util.Optional;
-
 import lombok.extern.slf4j.Slf4j;
 
 /**

caching/src/main/java/com/iluwatar/caching/CacheStore.java

@@ -28,7 +28,6 @@
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
-
 import lombok.extern.slf4j.Slf4j;
 
 /**

caching/src/main/java/com/iluwatar/caching/database/MongoDb.java

@@ -52,7 +52,7 @@ public class MongoDb implements DbManager {
   private MongoClient client;
   private MongoDatabase db;
 
-  void setDB(MongoDatabase db) {
+  void setDb(MongoDatabase db) {
     this.db = db;
   }