diff --git a/patterns/hexagonal-design-pattern/.gitignore b/patterns/hexagonal-design-pattern/.gitignore
deleted file mode 100644
index aceea512a2..0000000000
--- a/patterns/hexagonal-design-pattern/.gitignore
+++ /dev/null
@@ -1,5 +0,0 @@
-/target/
-.settings/
-.classpath
-.project
-/bin/
diff --git a/patterns/hexagonal-design-pattern/pom.xml b/patterns/hexagonal-design-pattern/pom.xml
deleted file mode 100644
index 1552859a65..0000000000
--- a/patterns/hexagonal-design-pattern/pom.xml
+++ /dev/null
@@ -1,80 +0,0 @@
-
- 4.0.0
- com.baeldung
- hexagonal-design-pattern
- 0.0.1-SNAPSHOT
- hexagonal-design-pattern
- war
-
-
- org.springframework.boot
- spring-boot-starter-parent
- 1.5.3.RELEASE
-
-
-
-
- ma.glasnost.orika
- orika-core
- 1.4.6
-
-
- org.springframework.boot
- spring-boot-starter-web
-
-
- org.springframework.boot
- spring-boot-starter-data-jpa
-
-
- com.h2database
- h2
-
-
- org.springframework.boot
- spring-boot-starter-actuator
-
-
- org.springframework.boot
- spring-boot-starter-test
-
-
-
-
-
-
- maven-compiler-plugin
-
-
- maven-war-plugin
-
- WebContent
-
-
-
- org.springframework.boot
- spring-boot-maven-plugin
-
-
-
- repackage
-
-
- com.baeldung.hexagonal.Application
- ${project.basedir}/docker
-
-
-
-
-
-
-
-
-
- 8.0.43
- UTF-8
- 1.8
-
-
-
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/Application.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/Application.java
deleted file mode 100644
index 772a8ad9fd..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/Application.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.baeldung.hexagonal;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication
-public class Application {
-
- public static void main(String[] args) {
- SpringApplication.run(Application.class, args);
- }
-
-}
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/controller/UserController.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/controller/UserController.java
deleted file mode 100644
index 1d4dda510e..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/controller/UserController.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.baeldung.hexagonal.adapter.controller;
-
-import java.util.List;
-
-import com.baeldung.hexagonal.core.contract.UserService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.ResponseStatus;
-import org.springframework.web.bind.annotation.RestController;
-import org.springframework.http.HttpStatus;
-import com.baeldung.hexagonal.core.contract.User;
-
-@RestController
-public class UserController {
-
- @Autowired
- private UserService userService;
-
- @PostMapping("/users")
- @ResponseStatus(HttpStatus.CREATED)
- public void addUser(@RequestBody User user) {
- userService.addUser(user);
- }
-
- @GetMapping("/users")
- public List getUsers() {
- return userService.getUsers();
- }
-}
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/UserDataAdapter.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/UserDataAdapter.java
deleted file mode 100644
index 38a0e08468..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/UserDataAdapter.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package com.baeldung.hexagonal.adapter.data;
-
-import com.baeldung.hexagonal.core.contract.dto.UserDTO;
-import java.util.List;
-
-public interface UserDataAdapter {
-
- void addUser(UserDTO user);
-
- List getUsers();
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/UserDataAdapterImpl.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/UserDataAdapterImpl.java
deleted file mode 100644
index fe100b1ce0..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/UserDataAdapterImpl.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.baeldung.hexagonal.adapter.data;
-
-import com.baeldung.hexagonal.adapter.data.entity.UserEntity;
-import com.baeldung.hexagonal.adapter.data.mapper.ModelMapper;
-import com.baeldung.hexagonal.adapter.data.repository.UserRepository;
-import com.baeldung.hexagonal.core.contract.dto.UserDTO;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
-import java.util.List;
-
-@Component
-public class UserDataAdapterImpl implements UserDataAdapter {
-
- @Autowired
- private UserRepository userRepository;
-
- @Autowired
- private ModelMapper modelMapper;
-
- public void addUser(UserDTO user) {
- userRepository.save(modelMapper.map(user, UserEntity.class));
- }
-
- public List getUsers() {
- return modelMapper.mapAsList(userRepository.findAll(), UserDTO.class);
- }
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/entity/UserEntity.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/entity/UserEntity.java
deleted file mode 100644
index 91f80efa90..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/entity/UserEntity.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package com.baeldung.hexagonal.adapter.data.entity;
-
-import javax.persistence.*;
-
-@Entity(name = "user")
-@Table(name = "user")
-public class UserEntity {
- @Id
- @GeneratedValue(strategy = GenerationType.IDENTITY)
- private long id;
-
- private String name;
-
- public UserEntity() {
- }
-
- public UserEntity(long id, String name) {
- super();
- this.id = id;
- this.name = name;
- }
-
- public long getId() {
- return id;
- }
-
- public void setId(long id) {
- this.id = id;
- }
-
- public String getName() {
- return name;
- }
-
- public void setName(String name) {
- this.name = name;
- }
-
-}
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/mapper/ModelMapper.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/mapper/ModelMapper.java
deleted file mode 100644
index f451781b06..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/mapper/ModelMapper.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.baeldung.hexagonal.adapter.data.mapper;
-
-import com.baeldung.hexagonal.adapter.data.entity.UserEntity;
-import com.baeldung.hexagonal.core.contract.dto.UserDTO;
-import ma.glasnost.orika.CustomMapper;
-import ma.glasnost.orika.MapperFactory;
-import ma.glasnost.orika.MappingContext;
-import ma.glasnost.orika.impl.ConfigurableMapper;
-import org.springframework.stereotype.Component;
-
-@Component
-public class ModelMapper extends ConfigurableMapper {
-
- public void configure(MapperFactory factory) {
- super.configure(factory);
-
- factory.registerClassMap(factory.classMap(UserDTO.class, UserEntity.class)
- .customize(new CustomMapper() {
- @Override
- public void mapAtoB(UserDTO userDTO, UserEntity userEntity, MappingContext context) {
- userEntity.setId(userDTO.getId());
- userEntity.setName(userDTO.getName());
- }
- })
- .byDefault()
- .toClassMap());
-
- factory.registerClassMap(factory.classMap(UserEntity.class, UserDTO.class)
- .customize(new CustomMapper() {
- @Override
- public void mapAtoB(UserEntity userEntity, UserDTO userDTO, MappingContext context) {
- userDTO.setId(userEntity.getId());
- userDTO.setName(userEntity.getName());
- }
- })
- .byDefault()
- .toClassMap());
-
- }
-
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/repository/UserRepository.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/repository/UserRepository.java
deleted file mode 100644
index 937be19056..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/adapter/data/repository/UserRepository.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package com.baeldung.hexagonal.adapter.data.repository;
-
-import com.baeldung.hexagonal.adapter.data.entity.UserEntity;
-import org.springframework.data.jpa.repository.JpaRepository;
-
-public interface UserRepository extends JpaRepository {
-
-}
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/config/PersistenceConfig.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/config/PersistenceConfig.java
deleted file mode 100644
index b9a5f9d556..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/config/PersistenceConfig.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.baeldung.hexagonal.config;
-
-import javax.sql.DataSource;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
-import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
-import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
-
-@Configuration
-public class PersistenceConfig {
-
- @Bean
- public DataSource dataSource() {
- EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
- EmbeddedDatabase db = builder.setType(EmbeddedDatabaseType.H2)
- .addScript("mySchema.sql")
- .addScript("myData.sql")
- .build();
- return db;
- }
-
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/User.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/User.java
deleted file mode 100644
index 2013c2a88e..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/User.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.baeldung.hexagonal.core.contract;
-
-public class User {
-
- private long id;
-
- private String name;
-
- public User() {
- }
-
- public User(long id, String name) {
- super();
- this.id = id;
- this.name = name;
- }
-
- public long getId() {
- return id;
- }
-
- public void setId(long id) {
- this.id = id;
- }
-
- public String getName() {
- return name;
- }
-
- public void setName(String name) {
- this.name = name;
- }
-
-}
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/UserDataAdapter.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/UserDataAdapter.java
deleted file mode 100644
index b89410e139..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/UserDataAdapter.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package com.baeldung.hexagonal.core.contract;
-
-import com.baeldung.hexagonal.core.contract.dto.UserDTO;
-
-import java.util.List;
-
-public interface UserDataAdapter {
-
- void addUser(UserDTO user);
-
- List getUsers();
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/UserService.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/UserService.java
deleted file mode 100644
index 2b0867872a..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/UserService.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.baeldung.hexagonal.core.contract;
-
-import java.util.List;
-
-public interface UserService {
-
- void addUser(User user);
-
- List getUsers();
-}
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/dto/UserDTO.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/dto/UserDTO.java
deleted file mode 100644
index a92851310b..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/contract/dto/UserDTO.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.baeldung.hexagonal.core.contract.dto;
-
-public class UserDTO {
-
- private long id;
-
- private String name;
-
- public long getId() {
- return id;
- }
-
- public void setId(long id) {
- this.id = id;
- }
-
- public String getName() {
- return name;
- }
-
- public void setName(String name) {
- this.name = name;
- }
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/mapper/CoreModelMapper.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/mapper/CoreModelMapper.java
deleted file mode 100644
index 1cb569d109..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/mapper/CoreModelMapper.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.baeldung.hexagonal.core.mapper;
-
-import com.baeldung.hexagonal.core.contract.dto.UserDTO;
-import com.baeldung.hexagonal.core.contract.User;
-import ma.glasnost.orika.CustomMapper;
-import ma.glasnost.orika.MapperFactory;
-import ma.glasnost.orika.MappingContext;
-import ma.glasnost.orika.impl.ConfigurableMapper;
-import org.springframework.stereotype.Component;
-
-@Component
-public class CoreModelMapper extends ConfigurableMapper {
-
- public void configure(MapperFactory factory) {
- super.configure(factory);
-
- factory.registerClassMap(factory.classMap(UserDTO.class, User.class)
- .customize(new CustomMapper() {
- @Override
- public void mapAtoB(UserDTO userDTO, User user, MappingContext context) {
- user.setId(userDTO.getId());
- user.setName(userDTO.getName());
- }
- })
- .byDefault()
- .toClassMap());
-
- factory.registerClassMap(factory.classMap(User.class, UserDTO.class)
- .customize(new CustomMapper() {
- @Override
- public void mapAtoB(User user, UserDTO userDTO, MappingContext context) {
- userDTO.setId(user.getId());
- userDTO.setName(user.getName());
- }
- })
- .byDefault()
- .toClassMap());
-
- }
-
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/service/UserServiceImpl.java b/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/service/UserServiceImpl.java
deleted file mode 100644
index 3b4800cffc..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/java/com/baeldung/hexagonal/core/service/UserServiceImpl.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.baeldung.hexagonal.core.service;
-
-import com.baeldung.hexagonal.adapter.data.UserDataAdapter;
-import com.baeldung.hexagonal.core.contract.UserService;
-import com.baeldung.hexagonal.core.contract.dto.UserDTO;
-import com.baeldung.hexagonal.core.mapper.CoreModelMapper;
-import com.baeldung.hexagonal.core.contract.User;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-import java.util.List;
-
-@Service
-public class UserServiceImpl implements UserService {
-
- @Autowired
- private UserDataAdapter userDataAdapter;
-
- @Autowired
- private CoreModelMapper coreModelMapper;
-
- public void addUser(User user) {
- userDataAdapter.addUser(coreModelMapper.map(user, UserDTO.class));
- }
-
- public List getUsers() {
- return coreModelMapper.mapAsList(userDataAdapter.getUsers(), User.class);
- }
-}
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/resources/application.properties b/patterns/hexagonal-design-pattern/src/main/resources/application.properties
deleted file mode 100644
index 4420285967..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/resources/application.properties
+++ /dev/null
@@ -1,5 +0,0 @@
-server.port=8081
-server.contextPath=/hexagonaldesignapp
-logging.level.org.springframework.web: INFO
-
-spring.jpa.hibernate.ddl-auto=update
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/resources/logback.xml b/patterns/hexagonal-design-pattern/src/main/resources/logback.xml
deleted file mode 100644
index 7d900d8ea8..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/resources/logback.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-
-
-
-
- %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/resources/myData.sql b/patterns/hexagonal-design-pattern/src/main/resources/myData.sql
deleted file mode 100644
index 21353649ba..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/resources/myData.sql
+++ /dev/null
@@ -1 +0,0 @@
-insert into user(name) values ('ana');
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/main/resources/mySchema.sql b/patterns/hexagonal-design-pattern/src/main/resources/mySchema.sql
deleted file mode 100644
index d561e4f8b2..0000000000
--- a/patterns/hexagonal-design-pattern/src/main/resources/mySchema.sql
+++ /dev/null
@@ -1 +0,0 @@
-create table user(id int identity primary key, name varchar(30));
\ No newline at end of file
diff --git a/patterns/hexagonal-design-pattern/src/test/java/com/baeldung/hexagonal/test/UserControllerTest.java b/patterns/hexagonal-design-pattern/src/test/java/com/baeldung/hexagonal/test/UserControllerTest.java
deleted file mode 100644
index 3b0c849e3b..0000000000
--- a/patterns/hexagonal-design-pattern/src/test/java/com/baeldung/hexagonal/test/UserControllerTest.java
+++ /dev/null
@@ -1,54 +0,0 @@
-package com.baeldung.hexagonal.test;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
-import org.springframework.test.context.web.WebAppConfiguration;
-import org.springframework.test.web.servlet.MockMvc;
-import org.springframework.test.web.servlet.setup.MockMvcBuilders;
-import org.springframework.web.context.WebApplicationContext;
-
-import static org.hamcrest.Matchers.*;
-
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
-
-import com.baeldung.hexagonal.Application;
-
-@RunWith(SpringRunner.class)
-@SpringBootTest(classes = Application.class)
-@WebAppConfiguration
-public class UserControllerTest {
-
- private static final String CONTENT_TYPE = "application/json;charset=UTF-8";
-
- private MockMvc mockMvc;
-
- @Autowired
- private WebApplicationContext webApplicationContext;
-
- @Before
- public void setup() throws Exception {
- this.mockMvc = MockMvcBuilders.webAppContextSetup(webApplicationContext)
- .build();
- }
-
- @Test
- public void whenCreateGetUser_thenOk() throws Exception {
- String userJson = "{\"name\":\"john\"}";
-
- this.mockMvc.perform(post("/users").contentType(CONTENT_TYPE)
- .content(userJson))
- .andExpect(status().isCreated());
-
- this.mockMvc.perform(get("/users"))
- .andExpect(status().isOk())
- .andExpect(content().contentType(CONTENT_TYPE))
- .andExpect(jsonPath("$", hasSize(2)))
- .andExpect(jsonPath("$[0].name", is("ana")))
- .andExpect(jsonPath("$[1].name", is("john")));
- }
-}
diff --git a/patterns/pom.xml b/patterns/pom.xml
index 795b4c64db..bc1f5173e2 100644
--- a/patterns/pom.xml
+++ b/patterns/pom.xml
@@ -17,7 +17,6 @@
front-controller
intercepting-filter
design-patterns
- hexagonal-design-pattern