Fix checkstyle issues

See gh-32582

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/nativeimage/advanced/customhints/MyClass.java

@@ -18,7 +18,7 @@ package org.springframework.boot.docs.nativeimage.advanced.customhints;
 
 class MyClass {
 
-	public void sayHello(String name) {
+	void sayHello(String name) {
 		System.out.println("Hello " + name);
 	}
 

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/nativeimage/advanced/customhints/MyInterface.java

@@ -16,9 +16,6 @@
 
 package org.springframework.boot.docs.nativeimage.advanced.customhints;
 
-/**
- * @author Moritz Halbritter
- */
-public interface MyInterface {
+interface MyInterface {
 
 }

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/nativeimage/developingyourfirstapplication/sampleapplication/MyApplication.java

@@ -34,4 +34,4 @@ public class MyApplication {
 		SpringApplication.run(MyApplication.class, args);
 	}
 
-}
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/nativeimage/introducinggraalvmnativeimages/understandingaotprocessing/sourcecodegeneration/MyConfiguration.java

@@ -27,4 +27,4 @@ public class MyConfiguration {
 		return new MyBean();
 	}
 
-}
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/nativeimage/introducinggraalvmnativeimages/understandingaotprocessing/sourcecodegeneration/MyConfiguration__BeanDefinitions.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2012-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.springframework.boot.docs.nativeimage.introducinggraalvmnativeimages.understandingaotprocessing.sourcecodegeneration;
 
 import org.springframework.beans.factory.aot.BeanInstanceSupplier;
@@ -5,13 +21,13 @@ import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.support.RootBeanDefinition;
 
 /**
- * Bean definitions for {@link MyConfiguration}
+ * Bean definitions for {@link MyConfiguration}.
  */
 @SuppressWarnings("javadoc")
 public class MyConfiguration__BeanDefinitions {
 
 	/**
-	 * Get the bean definition for 'myConfiguration'
+	 * Get the bean definition for 'myConfiguration'.
 	 */
 	public static BeanDefinition getMyConfigurationBeanDefinition() {
 		Class<?> beanType = MyConfiguration.class;
@@ -29,7 +45,7 @@ public class MyConfiguration__BeanDefinitions {
 	}
 
 	/**
-	 * Get the bean definition for 'myBean'
+	 * Get the bean definition for 'myBean'.
 	 */
 	public static BeanDefinition getMyBeanBeanDefinition() {
 		Class<?> beanType = MyBean.class;
@@ -38,4 +54,4 @@ public class MyConfiguration__BeanDefinitions {
 		return beanDefinition;
 	}
 
-}
+}

src/checkstyle/checkstyle-suppressions.xml

@@ -29,6 +29,7 @@
 	<suppress files="[\\/]spring-boot-docs[\\/]" checks="JavadocPackage|JavadocType|JavadocVariable|SpringDeprecatedCheck" />
 	<suppress files="[\\/]spring-boot-docs[\\/]" checks="SpringJavadoc" message="\@since" />
 	<suppress files="[\\/]spring-boot-docs[\\/].*jooq" checks="AvoidStaticImport" />
+	<suppress files="[\\/]spring-boot-docs[\\/].*MyConfiguration__BeanDefinitions" checks="JavadocMethod|SpringHideUtilityClassConstructor" />
 	<suppress files="[\\/]spring-boot-smoke-tests[\\/]" checks="JavadocPackage|JavadocType" />
 	<suppress files="[\\/]spring-boot-smoke-tests[\\/]" checks="ImportControl" />
 	<suppress files="[\\/]spring-boot-smoke-tests[\\/]" id="mainCodeIllegalImportCheck" />