Merge pull request spring-projects#37166 from quaff

* pr/37166:
  Continue polishing

Closes spring-projectsgh-37166

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleRepository.java

@@ -32,26 +32,26 @@
  * @author Stephane Nicoll
  */
 @Repository
-public class ExampleRepository {
+class ExampleRepository {
 
 	private static final ExampleEntityRowMapper ROW_MAPPER = new ExampleEntityRowMapper();
 
 	private final JdbcTemplate jdbcTemplate;
 
-	public ExampleRepository(JdbcTemplate jdbcTemplate) {
+	ExampleRepository(JdbcTemplate jdbcTemplate) {
 		this.jdbcTemplate = jdbcTemplate;
 	}
 
 	@Transactional
-	public void save(ExampleEntity entity) {
+	void save(ExampleEntity entity) {
 		this.jdbcTemplate.update("insert into example (id, name) values (?, ?)", entity.getId(), entity.getName());
 	}
 
-	public ExampleEntity findById(int id) {
+	ExampleEntity findById(int id) {
 		return this.jdbcTemplate.queryForObject("select id, name from example where id =?", ROW_MAPPER, id);
 	}
 
-	public Collection<ExampleEntity> findAll() {
+	Collection<ExampleEntity> findAll() {
 		return this.jdbcTemplate.query("select id, name from example", ROW_MAPPER);
 	}