fix: fix checkstyle errors in build

Author: iluwatar

object-pool/src/main/java/com/iluwatar/object/pool/Oliphaunt.java

@@ -24,7 +24,8 @@
  */
 package com.iluwatar.object.pool;
 
-import java.util.concurrent.atomic.AtomicInteger;import lombok.extern.slf4j.Slf4j;
+import java.util.concurrent.atomic.AtomicInteger;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Oliphaunts are expensive to create.

object-pool/src/test/java/com/iluwatar/object/pool/AppTest.java

@@ -29,9 +29,7 @@
 import org.junit.jupiter.api.Test;
 
 /**
- *
- * Application test
- *
+ * Application test.
  */
 class AppTest {
 

object-pool/src/test/java/com/iluwatar/object/pool/OliphauntPoolTest.java

@@ -35,9 +35,7 @@
 import org.junit.jupiter.api.Test;
 
 /**
- * Date: 12/27/15 - 1:05 AM
- *
- * @author Jeroen Meulemeester
+ * OliphauntPoolTest.
  */
 class OliphauntPoolTest {
 

observer/src/test/java/com/iluwatar/observer/AppTest.java

@@ -29,9 +29,7 @@
 import org.junit.jupiter.api.Test;
 
 /**
- *
- * Application test
- *
+ * Application test.
  */
 class AppTest {
 

observer/src/test/java/com/iluwatar/observer/generic/GHobbitsTest.java

@@ -29,9 +29,7 @@
 import java.util.List;
 
 /**
- * Date: 12/27/15 - 12:07 PM
- *
- * @author Jeroen Meulemeester
+ * GHobbitsTest.
  */
 class GHobbitsTest extends ObserverTest<GenHobbits> {
 
@@ -46,7 +44,7 @@ public Collection<Object[]> dataProvider() {
   }
 
   /**
-   * Create a new test with the given weather and expected response
+   * Create a new test with the given weather and expected response.
    */
   public GHobbitsTest() {
     super(GenHobbits::new);

observer/src/test/java/com/iluwatar/observer/utils/InMemoryAppender.java

@@ -27,9 +27,9 @@
 import ch.qos.logback.classic.Logger;
 import ch.qos.logback.classic.spi.ILoggingEvent;
 import ch.qos.logback.core.AppenderBase;
-import org.slf4j.LoggerFactory;
 import java.util.LinkedList;
 import java.util.List;
+import org.slf4j.LoggerFactory;
 
 /**
  * InMemory Log Appender Util.