📍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>

execute-around/src/test/java/com/iluwatar/execute/around/SimpleFileWriterTest.java

@@ -42,19 +42,19 @@ import org.junit.rules.TemporaryFolder;
  * @author Jeroen Meulemeester
  */
 @EnableRuleMigrationSupport
-public class SimpleFileWriterTest {
+class SimpleFileWriterTest {
 
   @Rule
   public final TemporaryFolder testFolder = new TemporaryFolder();
 
   @Test
-  public void testWriterNotNull() throws Exception {
+  void testWriterNotNull() throws Exception {
     final var temporaryFile = this.testFolder.newFile();
     new SimpleFileWriter(temporaryFile.getPath(), Assertions::assertNotNull);
   }
 
   @Test
-  public void testCreatesNonExistentFile() throws Exception {
+  void testCreatesNonExistentFile() throws Exception {
     final var nonExistingFile = new File(this.testFolder.getRoot(), "non-existing-file");
     assertFalse(nonExistingFile.exists());
 
@@ -63,7 +63,7 @@ public class SimpleFileWriterTest {
   }
 
   @Test
-  public void testContentsAreWrittenToFile() throws Exception {
+  void testContentsAreWrittenToFile() throws Exception {
     final var testMessage = "Test message";
 
     final var temporaryFile = this.testFolder.newFile();
@@ -74,7 +74,7 @@ public class SimpleFileWriterTest {
   }
 
   @Test
-  public void testRipplesIoExceptionOccurredWhileWriting() {
+  void testRipplesIoExceptionOccurredWhileWriting() {
     var message = "Some error";
     assertThrows(IOException.class, () -> {
       final var temporaryFile = this.testFolder.newFile();