Polish

spring-boot/src/main/java/org/springframework/boot/endpoint/EndpointPathResolver.java

@@ -22,6 +22,7 @@ package org.springframework.boot.endpoint;
  * @author Madhura Bhave
  * @since 2.0.0
  */
+@FunctionalInterface
 public interface EndpointPathResolver {
 
 	/**

spring-boot/src/main/java/org/springframework/boot/endpoint/Operation.java

@@ -37,8 +37,8 @@ public class Operation {
 	 * @param operationInvoker used to perform the operation
 	 * @param blocking whether or not this is a blocking operation
 	 */
-	public Operation(OperationType type,
-			OperationInvoker operationInvoker, boolean blocking) {
+	public Operation(OperationType type, OperationInvoker operationInvoker,
+			boolean blocking) {
 		this.type = type;
 		this.invoker = operationInvoker;
 		this.blocking = blocking;

spring-boot/src/main/java/org/springframework/boot/endpoint/web/EndpointLinksResolver.java

@@ -41,7 +41,7 @@ public class EndpointLinksResolver {
 			Collection<EndpointInfo<WebEndpointOperation>> webEndpoints,
 			String requestUrl) {
 		String normalizedUrl = normalizeRequestUrl(requestUrl);
-		Map<String, Link> links = new LinkedHashMap<String, Link>();
+		Map<String, Link> links = new LinkedHashMap<>();
 		links.put("self", new Link(normalizedUrl));
 		for (EndpointInfo<WebEndpointOperation> endpoint : webEndpoints) {
 			for (WebEndpointOperation operation : endpoint.getOperations()) {

spring-boot/src/main/java/org/springframework/boot/endpoint/web/reactive/WebEndpointReactiveHandlerMapping.java

@@ -213,16 +213,16 @@ public class WebEndpointReactiveHandlerMapping extends RequestMappingInfoHandler
 					.onErrorReturn(ParameterMappingException.class,
 							new ResponseEntity<>(HttpStatus.BAD_REQUEST))
 					.defaultIfEmpty(
-							new ResponseEntity<Object>(httpMethod == HttpMethod.GET
+							new ResponseEntity<>(httpMethod == HttpMethod.GET
 									? HttpStatus.NOT_FOUND : HttpStatus.NO_CONTENT));
 		}
 
 		private ResponseEntity<Object> toResponseEntity(Object response) {
 			if (!(response instanceof WebEndpointResponse)) {
-				return new ResponseEntity<Object>(response, HttpStatus.OK);
+				return new ResponseEntity<>(response, HttpStatus.OK);
 			}
 			WebEndpointResponse<?> webEndpointResponse = (WebEndpointResponse<?>) response;
-			return new ResponseEntity<Object>(webEndpointResponse.getBody(),
+			return new ResponseEntity<>(webEndpointResponse.getBody(),
 					HttpStatus.valueOf(webEndpointResponse.getStatus()));
 		}
 

spring-boot/src/main/java/org/springframework/boot/jdbc/DatabaseDriver.java

@@ -123,8 +123,7 @@ public enum DatabaseDriver {
 	 * Firebird.
 	 */
 	FIREBIRD("Firebird", "org.firebirdsql.jdbc.FBDriver",
-			"org.firebirdsql.ds.FBXADataSource",
-			"SELECT 1 FROM RDB$DATABASE") {
+			"org.firebirdsql.ds.FBXADataSource", "SELECT 1 FROM RDB$DATABASE") {
 
 		@Override
 		protected Collection<String> getUrlPrefixes() {

spring-boot/src/main/java/org/springframework/boot/jdbc/SchemaManagementProvider.java

@@ -24,6 +24,7 @@ import javax.sql.DataSource;
  * @author Stephane Nicoll
  * @since 2.0.0
  */
+@FunctionalInterface
 public interface SchemaManagementProvider {
 
 	/**

spring-boot/src/main/java/org/springframework/boot/orm/jpa/hibernate/SpringPhysicalNamingStrategy.java

@@ -77,8 +77,8 @@ public class SpringPhysicalNamingStrategy implements PhysicalNamingStrategy {
 	}
 
 	/**
-	 * Get an identifier for the specified details. By default this method will return
-	 * an identifier with the name adapted based on the result of
+	 * Get an identifier for the specified details. By default this method will return an
+	 * identifier with the name adapted based on the result of
 	 * {@link #isCaseInsensitive(JdbcEnvironment)}
 	 * @param name the name of the identifier
 	 * @param quoted if the identifier is quoted

spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/JettyServletWebServerFactory.java

@@ -90,8 +90,8 @@ import org.springframework.util.StringUtils;
  * Can be initialized using Spring's {@link ServletContextInitializer}s or Jetty
  * {@link Configuration}s.
  * <p>
- * Unless explicitly configured otherwise this factory will create servers that listen
- * for HTTP requests on port 8080.
+ * Unless explicitly configured otherwise this factory will create servers that listen for
+ * HTTP requests on port 8080.
  *
  * @author Phillip Webb
  * @author Dave Syer
@@ -527,8 +527,8 @@ public class JettyServletWebServerFactory extends AbstractServletWebServerFactor
 	}
 
 	/**
-	 * Post process the Jetty {@link WebAppContext} before it's used with the Jetty Server.
-	 * Subclasses can override this method to apply additional processing to the
+	 * Post process the Jetty {@link WebAppContext} before it's used with the Jetty
+	 * Server. Subclasses can override this method to apply additional processing to the
 	 * {@link WebAppContext}.
 	 * @param webAppContext the Jetty {@link WebAppContext}
 	 */

spring-boot/src/main/java/org/springframework/boot/web/embedded/tomcat/TomcatServletWebServerFactory.java

@@ -89,8 +89,8 @@ import org.springframework.util.StringUtils;
  * {@link TomcatWebServer}s. Can be initialized using Spring's
  * {@link ServletContextInitializer}s or Tomcat {@link LifecycleListener}s.
  * <p>
- * Unless explicitly configured otherwise this factory will create containers that
- * listen for HTTP requests on port 8080.
+ * Unless explicitly configured otherwise this factory will create containers that listen
+ * for HTTP requests on port 8080.
  *
  * @author Phillip Webb
  * @author Dave Syer

spring-boot/src/test/java/org/springframework/boot/endpoint/web/AbstractWebEndpointIntegrationTests.java

@@ -563,7 +563,7 @@ public abstract class AbstractWebEndpointIntegrationTests<T extends Configurable
 
 		@ReadOperation
 		public WebEndpointResponse<Resource> read() {
-			return new WebEndpointResponse<Resource>(
+			return new WebEndpointResponse<>(
 					new ByteArrayResource(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }),
 					200);
 		}

spring-boot/src/test/java/org/springframework/boot/endpoint/web/jersey/JerseyWebEndpointIntegrationTests.java

@@ -69,7 +69,7 @@ public class JerseyWebEndpointIntegrationTests extends
 		@Bean
 		public ServletRegistrationBean<ServletContainer> servletContainer(
 				ResourceConfig resourceConfig) {
-			return new ServletRegistrationBean<ServletContainer>(
+			return new ServletRegistrationBean<>(
 					new ServletContainer(resourceConfig), "/*");
 		}
 
@@ -80,7 +80,7 @@ public class JerseyWebEndpointIntegrationTests extends
 			Collection<Resource> resources = new JerseyEndpointResourceFactory()
 					.createEndpointResources("endpoints",
 							endpointDiscoverer.discoverEndpoints());
-			resourceConfig.registerResources(new HashSet<Resource>(resources));
+			resourceConfig.registerResources(new HashSet<>(resources));
 			resourceConfig.register(JacksonFeature.class);
 			resourceConfig.register(new ObjectMapperContextResolver(new ObjectMapper()),
 					ContextResolver.class);