📍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>

update-method/src/test/java/com/iluwatar/updatemethod/AppTest.java

@@ -23,10 +23,10 @@
 
 package com.iluwatar.updatemethod;
 
-import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
+import org.junit.jupiter.api.Test;
+
 class AppTest {
 
   @Test

update-method/src/test/java/com/iluwatar/updatemethod/SkeletonTest.java

@@ -31,7 +31,6 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-
 class SkeletonTest {
 
   private static Skeleton skeleton;