Resolves checkstyle errors for execute-around extension-objects (#1071)

* Reduces checkstyle errors in execute-around

* Reduces checkstyle errors in extension-objects

execute-around/src/main/java/com/iluwatar/execute/around/App.java

@@ -29,16 +29,15 @@ import java.io.IOException;
  * The Execute Around idiom specifies some code to be executed before and after a method. Typically
  * the idiom is used when the API has methods to be executed in pairs, such as resource
  * allocation/deallocation or lock acquisition/release.
- * <p>
- * In this example, we have {@link SimpleFileWriter} class that opens and closes the file for the
- * user. The user specifies only what to do with the file by providing the {@link FileWriterAction}
- * implementation.
  *
+ * <p>In this example, we have {@link SimpleFileWriter} class that opens and closes the file for
+ * the user. The user specifies only what to do with the file by providing the {@link
+ * FileWriterAction} implementation.
  */
 public class App {
 
   /**
-   * Program entry point
+   * Program entry point.
    */
   public static void main(String[] args) throws IOException {
 

execute-around/src/main/java/com/iluwatar/execute/around/FileWriterAction.java

@@ -27,9 +27,7 @@ import java.io.FileWriter;
 import java.io.IOException;
 
 /**
- * 
  * Interface for specifying what to do with the file resource.
- *
  */
 @FunctionalInterface
 public interface FileWriterAction {

execute-around/src/main/java/com/iluwatar/execute/around/SimpleFileWriter.java

@@ -27,15 +27,13 @@ import java.io.FileWriter;
 import java.io.IOException;
 
 /**
- * 
  * SimpleFileWriter handles opening and closing file for the user. The user only has to specify what
  * to do with the file resource through {@link FileWriterAction} parameter.
- *
  */
 public class SimpleFileWriter {
 
   /**
-   * Constructor
+   * Constructor.
    */
   public SimpleFileWriter(String filename, FileWriterAction action) throws IOException {
     try (FileWriter writer = new FileWriter(filename)) {