Polishing

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

@@ -60,8 +60,12 @@
 import org.springframework.util.StringUtils;
 
 /**
- * <b>This is the central class in the JDBC core package.</b>
- * It simplifies the use of JDBC and helps to avoid common errors.
+ * <b>This is the central delegate in the JDBC core package.</b>
+ * It can be used directly for many data access purposes, supporting any kind
+ * of JDBC operation. For a more focused and convenient facade on top of this,
+ * consider {@link org.springframework.jdbc.core.simple.JdbcClient} as of 6.1.
+ *
+ * <p>This class simplifies the use of JDBC and helps to avoid common errors.
  * It executes core JDBC workflow, leaving application code to provide SQL
  * and extract results. This class executes SQL queries or updates, initiating
  * iteration over ResultSets and catching JDBC exceptions and translating

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/TransactionAwareDataSourceProxy.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.
@@ -186,7 +186,7 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
 					// Allow for differentiating between the proxy and the raw Connection.
 					StringBuilder sb = new StringBuilder("Transaction-aware proxy for target Connection ");
 					if (this.target != null) {
-						sb.append('[').append(this.target.toString()).append(']');
+						sb.append('[').append(this.target).append(']');
 					}
 					else {
 						sb.append(" from DataSource [").append(this.targetDataSource).append(']');