Polish

spring-expression/src/main/java/org/springframework/expression/spel/CodeFlow.java

@@ -99,7 +99,7 @@ public class CodeFlow implements Opcodes {
 		this.className = className;
 		this.classWriter = classWriter;
 		this.compilationScopes = new ArrayDeque<>();
-		this.compilationScopes.add(new ArrayList<String>());
+		this.compilationScopes.add(new ArrayList<>());
 	}
 
 

spring-jdbc/src/main/java/org/springframework/jdbc/core/JdbcTemplate.java

@@ -716,7 +716,7 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 		Assert.notNull(rse, "ResultSetExtractor must not be null");
 		logger.debug("Executing prepared SQL query");
 
-		return execute(psc, new PreparedStatementCallback<T>() {
+		return execute(psc, new PreparedStatementCallback<>() {
 			@Override
 			@Nullable
 			public T doInPreparedStatement(PreparedStatement ps) throws SQLException {

spring-r2dbc/src/main/java/org/springframework/r2dbc/core/DefaultDatabaseClient.java

@@ -364,7 +364,7 @@ final class DefaultDatabaseClient implements DatabaseClient {
 		@Override
 		public <R> FetchSpec<R> mapProperties(Class<R> mappedClass) {
 			Assert.notNull(mappedClass, "Mapped class must not be null");
-			return execute(this.sqlSupplier, result -> result.map(new DataClassRowMapper<R>(mappedClass)));
+			return execute(this.sqlSupplier, result -> result.map(new DataClassRowMapper<>(mappedClass)));
 		}
 
 		@Override

spring-webflux/src/main/java/org/springframework/web/reactive/socket/client/UndertowWebSocketClient.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -166,7 +166,7 @@ public class UndertowWebSocketClient implements WebSocketClient {
 					DefaultNegotiation negotiation = new DefaultNegotiation(protocols, headers, builder);
 					builder.setClientNegotiation(negotiation);
 					builder.connect().addNotifier(
-							new IoFuture.HandlingNotifier<WebSocketChannel, Object>() {
+							new IoFuture.HandlingNotifier<>() {
 								@Override
 								public void handleDone(WebSocketChannel channel, Object attachment) {
 									handleChannel(url, ContextWebSocketHandler.decorate(handler, contextView),

spring-websocket/src/main/java/org/springframework/web/socket/sockjs/client/UndertowXhrTransport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -185,7 +185,7 @@ public class UndertowXhrTransport extends AbstractXhrTransport {
 		return new ClientCallback<>() {
 			@Override
 			public void completed(final ClientExchange exchange) {
-				exchange.setResponseListener(new ClientCallback<ClientExchange>() {
+				exchange.setResponseListener(new ClientCallback<>() {
 					@Override
 					public void completed(ClientExchange result) {
 						ClientResponse response = result.getResponse();
@@ -312,7 +312,7 @@ public class UndertowXhrTransport extends AbstractXhrTransport {
 		return new ClientCallback<>() {
 			@Override
 			public void completed(ClientExchange result) {
-				result.setResponseListener(new ClientCallback<ClientExchange>() {
+				result.setResponseListener(new ClientCallback<>() {
 					@Override
 					public void completed(final ClientExchange result) {
 						responses.add(result.getResponse());