diff --git a/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java b/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java
index 43fce7c5cc4..cdf7708ca49 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/WebApplication.groovy b/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/WebApplication.groovy
index d034a7c062e..91154cc9a52 100644
--- a/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/WebApplication.groovy
+++ b/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/WebApplication.groovy
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.docs.cli.usingthecli.run;
+package org.springframework.boot.docs.cli.usingthecli.run
 
 import org.springframework.web.bind.annotation.RestController
 import org.springframework.web.bind.annotation.RequestMapping
diff --git a/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/multiple/CustomDependencyManagement.groovy b/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/multiple/CustomDependencyManagement.groovy
index 39d19a3c976..969e4f290cc 100644
--- a/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/multiple/CustomDependencyManagement.groovy
+++ b/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/multiple/CustomDependencyManagement.groovy
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.docs.cli.usingthecli.run.customdependencymanagement.multiple;
+package org.springframework.boot.docs.cli.usingthecli.run.customdependencymanagement.multiple
 
-import org.springframework.boot.groovy.DependencyManagementBom;
+import org.springframework.boot.groovy.DependencyManagementBom
 
 // tag::code[]
 @DependencyManagementBom([
diff --git a/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/single/CustomDependencyManagement.groovy b/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/single/CustomDependencyManagement.groovy
index 8184af33341..e8a3d81a621 100644
--- a/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/single/CustomDependencyManagement.groovy
+++ b/spring-boot-project/spring-boot-docs/src/main/groovy/org/springframework/boot/docs/cli/usingthecli/run/customdependencymanagement/single/CustomDependencyManagement.groovy
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.docs.cli.usingthecli.run.customdependencymanagement.single;
+package org.springframework.boot.docs.cli.usingthecli.run.customdependencymanagement.single
 
-import org.springframework.boot.groovy.DependencyManagementBom;
+import org.springframework.boot.groovy.DependencyManagementBom
 
 // tag::code[]
 @DependencyManagementBom("com.example.custom-bom:1.0.0")
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/configurationmetadata/format/property/MyProperties.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/configurationmetadata/format/property/MyProperties.java
index 3cfd108a728..dbf9c5f2e8d 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/configurationmetadata/format/property/MyProperties.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/configurationmetadata/format/property/MyProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/data/sql/jpaandspringdata/enversrepositories/CountryRepository.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/data/sql/jpaandspringdata/enversrepositories/CountryRepository.java
index 01a10a651a7..40c8aa8f600 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/data/sql/jpaandspringdata/enversrepositories/CountryRepository.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/data/sql/jpaandspringdata/enversrepositories/CountryRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/MyProperties.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/MyProperties.java
index 258330179c7..927a9961380 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/MyProperties.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/MyProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/nested/MyProperties.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/nested/MyProperties.java
index 686847901c3..b82e28ff74f 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/nested/MyProperties.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/externalconfig/typesafeconfigurationproperties/validation/nested/MyProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/utilities/testresttemplate/MyTests.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/utilities/testresttemplate/MyTests.java
index 04c9210217d..112c86cc766 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/utilities/testresttemplate/MyTests.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/utilities/testresttemplate/MyTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
@@ -25,7 +25,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 class MyTests {
 
-	private TestRestTemplate template = new TestRestTemplate();
+	private final TestRestTemplate template = new TestRestTemplate();
 
 	@Test
 	void testRequest() throws Exception {
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/using/devtools/restart/disable/MyApplication.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/using/devtools/restart/disable/MyApplication.java
index cdfadc6ed4e..dfa172fe45e 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/using/devtools/restart/disable/MyApplication.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/using/devtools/restart/disable/MyApplication.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
index 335e8a13135..bf3ad89037f 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/springwebflux/MyWebFluxSecurityConfiguration.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/springwebflux/MyWebFluxSecurityConfiguration.java
index f5429b65110..6e71aadd7f9 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/springwebflux/MyWebFluxSecurityConfiguration.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/springwebflux/MyWebFluxSecurityConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/servlet/springmvc/json/MyJsonComponent.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/servlet/springmvc/json/MyJsonComponent.java
index 659edbfa171..ad2c98dfd90 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/servlet/springmvc/json/MyJsonComponent.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/servlet/springmvc/json/MyJsonComponent.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * 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.
@@ -20,7 +20,6 @@ import java.io.IOException;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.ObjectCodec;
 import com.fasterxml.jackson.databind.DeserializationContext;
 import com.fasterxml.jackson.databind.JsonDeserializer;
@@ -46,8 +45,7 @@ public class MyJsonComponent {
 	public static class Deserializer extends JsonDeserializer<MyObject> {
 
 		@Override
-		public MyObject deserialize(JsonParser jsonParser, DeserializationContext ctxt)
-				throws IOException, JsonProcessingException {
+		public MyObject deserialize(JsonParser jsonParser, DeserializationContext ctxt) throws IOException {
 			ObjectCodec codec = jsonParser.getCodec();
 			JsonNode tree = codec.readTree(jsonParser);
 			String name = tree.get("name").textValue();