docs: update layers

layers/src/main/java/entity/Cake.java

@@ -34,11 +34,15 @@ import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 import java.util.HashSet;
 import java.util.Set;
+import lombok.Getter;
+import lombok.Setter;
 
 /**
  * Cake entity.
  */
 @Entity
+@Getter
+@Setter
 public class Cake {
 
   @Id
@@ -55,30 +59,6 @@ public class Cake {
     setLayers(new HashSet<>());
   }
 
-  public Long getId() {
-    return id;
-  }
-
-  public void setId(Long id) {
-    this.id = id;
-  }
-
-  public CakeTopping getTopping() {
-    return topping;
-  }
-
-  public void setTopping(CakeTopping topping) {
-    this.topping = topping;
-  }
-
-  public Set<CakeLayer> getLayers() {
-    return layers;
-  }
-
-  public void setLayers(Set<CakeLayer> layers) {
-    this.layers = layers;
-  }
-
   public void addLayer(CakeLayer layer) {
     this.layers.add(layer);
   }

layers/src/main/java/exception/CakeBakingException.java

@@ -25,6 +25,7 @@
 
 package exception;
 
+import java.io.Serial;
 import org.springframework.stereotype.Component;
 
 /**
@@ -33,6 +34,7 @@ import org.springframework.stereotype.Component;
 @Component
 public class CakeBakingException extends Exception {
 
+  @Serial
   private static final long serialVersionUID = 1L;
 
   public CakeBakingException() {

layers/src/test/java/com/iluwatar/layers/exception/CakeBakingExceptionTest.java

@@ -55,8 +55,6 @@ class CakeBakingExceptionTest {
    * Tests the constructor of {@link CakeBakingException} that accepts a message.
    * Ensures that an exception created with this constructor correctly stores the provided message
    * and has {@code null} as its cause.
-   *
-   * @param expectedMessage The message provided to the constructor.
    */
   @Test
   void testConstructorWithMessage() {

layers/src/test/java/com/iluwatar/layers/service/CakeBakingServiceImplTest.java

@@ -47,7 +47,6 @@ import service.CakeBakingServiceImpl;
 /**
  * Constructs a new instance of CakeBakingServiceImplTest.
  *
- * @param cakeBakingService the service for cake baking operations
  */
 @SpringBootTest(classes = LayersApp.class)
 class CakeBakingServiceImplTest {

layers/src/test/java/com/iluwatar/layers/view/CakeViewImplTest.java

@@ -87,7 +87,7 @@ class CakeViewImplTest {
 
   }
 
-  private class InMemoryAppender extends AppenderBase<ILoggingEvent> {
+  private static class InMemoryAppender extends AppenderBase<ILoggingEvent> {
 
     private final List<ILoggingEvent> log = new LinkedList<>();