Merge pull request #8386 from kwoyke/BAEL-3385

BAEL-3385: Move article related code to its own package

persistence-modules/spring-boot-persistence-h2/README.md

@@ -1,3 +1,4 @@
 ### Relevant Articles: 
 - [Access the Same In-Memory H2 Database in Multiple Spring Boot Applications](https://www.baeldung.com/spring-boot-access-h2-database-multiple-apps)
 - [Spring Boot With H2 Database](https://www.baeldung.com/spring-boot-h2-database)
+- [Hibernate @NotNull vs @Column(nullable = false)](https://www.baeldung.com/hibernate-notnull-vs-nullable)

persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/NotNullVsNullableApplication.java

@@ -0,0 +1,12 @@
+package com.baeldung.h2db.notnull;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class NotNullVsNullableApplication {
+
+    public static void main(String... args) {
+        SpringApplication.run(NotNullVsNullableApplication.class, args);
+    }
+}

persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/daos/ItemRepository.java

@@ -1,6 +1,6 @@
-package com.baeldung.h2db.springboot.daos;
+package com.baeldung.h2db.notnull.daos;
 
-import com.baeldung.h2db.springboot.models.Item;
+import com.baeldung.h2db.notnull.models.Item;
 import org.springframework.data.repository.CrudRepository;
 
 import java.math.BigDecimal;

persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/models/Item.java

@@ -1,4 +1,4 @@
-package com.baeldung.h2db.springboot.models;
+package com.baeldung.h2db.notnull.models;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;

persistence-modules/spring-boot-persistence-h2/src/test/java/com/baeldung/h2db/notnull/ItemIntegrationTest.java

@@ -1,8 +1,7 @@
-package com.baeldung;
+package com.baeldung.h2db.notnull;
 
-import com.baeldung.h2db.springboot.SpringBootH2Application;
-import com.baeldung.h2db.springboot.daos.ItemRepository;
-import com.baeldung.h2db.springboot.models.Item;
+import com.baeldung.h2db.notnull.daos.ItemRepository;
+import com.baeldung.h2db.notnull.models.Item;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -14,7 +13,7 @@ import javax.validation.ConstraintViolationException;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 @RunWith(SpringRunner.class)
-@SpringBootTest(classes = SpringBootH2Application.class)
+@SpringBootTest(classes = NotNullVsNullableApplication.class)
 public class ItemIntegrationTest {
 
     @Autowired