moved programmatic transaction examples from spring-data-jpa-3 to spring-data-jpa-4

Author: fanatixan

persistence-modules/spring-data-jpa-3/README.md

@@ -10,8 +10,6 @@
 - [Batch Insert/Update with Hibernate/JPA](https://www.baeldung.com/jpa-hibernate-batch-insert-update)
 - [Difference Between save() and saveAndFlush() in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-save-saveandflush)
 
-- [Programmatic Transaction Management in Spring](https://www.baeldung.com/spring-programmatic-transaction-management)
-
 ### Eclipse Config 
 After importing the project into Eclipse, you may see the following error:  
 "No persistence xml file found in project"

persistence-modules/spring-data-jpa-4/README.md

@@ -2,6 +2,7 @@
 - [Derived Query Methods in Spring Data JPA Repositories](https://www.baeldung.com/spring-data-derived-queries)
 - [LIKE Queries in Spring JPA Repositories](https://www.baeldung.com/spring-jpa-like-queries)
 - [A Guide to Spring’s Open Session In View](https://www.baeldung.com/spring-open-session-in-view)
+- [Programmatic Transaction Management in Spring](https://www.baeldung.com/spring-programmatic-transaction-management)
 
 ### Eclipse Config 
 After importing the project into Eclipse, you may see the following error:  

persistence-modules/spring-data-jpa-3/src/main/java/com/baeldung/model/Payment.java renamed to persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/model/Payment.java

@@ -77,7 +77,7 @@ void givenAPayment_WhenMarkAsRollback_ThenShouldRollback() {
         });
 
         assertThat(entityManager
-                .createQuery("select p from Payment p")
+                .createQuery("select p from Payment p", Payment.class)
                 .getResultList()).isEmpty();
     }
 
@@ -104,7 +104,7 @@ void givenTwoPayments_WhenRefIsDuplicate_ThenShouldRollback() {
         }
 
         assertThat(entityManager
-                .createQuery("select p from Payment p")
+                .createQuery("select p from Payment p", Payment.class)
                 .getResultList()).isEmpty();
     }
 
@@ -122,7 +122,7 @@ protected void doInTransactionWithoutResult(TransactionStatus status) {
         });
 
         assertThat(entityManager
-                .createQuery("select p from Payment p")
+                .createQuery("select p from Payment p", Payment.class)
                 .getResultList()).hasSize(1);
     }
 
@@ -145,7 +145,7 @@ void givenAPayment_WhenUsingTxManager_ThenShouldCommit() {
         }
 
         assertThat(entityManager
-                .createQuery("select p from Payment p")
+                .createQuery("select p from Payment p", Payment.class)
                 .getResultList()).hasSize(1);
     }