📍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>

property/src/main/java/com/iluwatar/property/App.java

@@ -24,8 +24,7 @@
 package com.iluwatar.property;
 
 import com.iluwatar.property.Character.Type;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * The Property pattern is also known as Prototype inheritance.
@@ -38,10 +37,9 @@ import org.slf4j.LoggerFactory;
  *
  * <p>In this example we demonstrate {@link Character} instantiation using the Property pattern.
  */
+@Slf4j
 public class App {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
-
   /**
    * Program entry point.
    *

property/src/test/java/com/iluwatar/property/CharacterTest.java

@@ -40,7 +40,7 @@ import org.junit.jupiter.api.Test;
 public class CharacterTest {
 
   @Test
-  public void testPrototypeStats() throws Exception {
+  void testPrototypeStats() throws Exception {
     final var prototype = new Character();
 
     for (final var stat : Stats.values()) {
@@ -60,7 +60,7 @@ public class CharacterTest {
   }
 
   @Test
-  public void testCharacterStats() {
+  void testCharacterStats() {
     final var prototype = new Character();
     Arrays.stream(Stats.values()).forEach(stat -> prototype.set(stat, stat.ordinal()));
 
@@ -73,7 +73,7 @@ public class CharacterTest {
   }
 
   @Test
-  public void testToString() {
+  void testToString() {
     final var prototype = new Character();
     prototype.set(Stats.ARMOR, 1);
     prototype.set(Stats.AGILITY, 2);
@@ -91,7 +91,7 @@ public class CharacterTest {
   }
 
   @Test
-  public void testName() {
+  void testName() {
     final var prototype = new Character();
     prototype.set(Stats.ARMOR, 1);
     prototype.set(Stats.INTELLECT, 2);
@@ -107,7 +107,7 @@ public class CharacterTest {
   }
 
   @Test
-  public void testType() {
+  void testType() {
     final var prototype = new Character();
     prototype.set(Stats.ARMOR, 1);
     prototype.set(Stats.INTELLECT, 2);