diff --git a/spring-5/src/main/java/com/baeldung/jsonb/Person.java b/spring-5/src/main/java/com/baeldung/jsonb/Person.java
index 99ebd54f0b..7a54b37574 100644
--- a/spring-5/src/main/java/com/baeldung/jsonb/Person.java
+++ b/spring-5/src/main/java/com/baeldung/jsonb/Person.java
@@ -10,6 +10,7 @@ import javax.json.bind.annotation.JsonbTransient;
 
 public class Person {
 
+    private int id;
     @JsonbProperty("person-name")
     private String name;
     @JsonbProperty(nillable = true)
@@ -23,8 +24,9 @@ public class Person {
     public Person() {
     }
 
-    public Person(String name, String email, int age, LocalDate registeredDate, BigDecimal salary) {
+    public Person(int id, String name, String email, int age, LocalDate registeredDate, BigDecimal salary) {
         super();
+        this.id = id;
         this.name = name;
         this.email = email;
         this.age = age;
@@ -32,6 +34,14 @@ public class Person {
         this.salary = salary;
     }
 
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
     public int getAge() {
         return age;
     }
@@ -76,7 +86,9 @@ public class Person {
     @Override
     public String toString() {
         StringBuilder builder = new StringBuilder();
-        builder.append("Person [name=");
+        builder.append("Person [id=");
+        builder.append(id);
+        builder.append(", name=");
         builder.append(name);
         builder.append(", email=");
         builder.append(email);
@@ -94,11 +106,7 @@ public class Person {
     public int hashCode() {
         final int prime = 31;
         int result = 1;
-        result = prime * result + age;
-        result = prime * result + ((email == null) ? 0 : email.hashCode());
-        result = prime * result + ((name == null) ? 0 : name.hashCode());
-        result = prime * result + ((registeredDate == null) ? 0 : registeredDate.hashCode());
-        result = prime * result + ((salary == null) ? 0 : salary.hashCode());
+        result = prime * result + id;
         return result;
     }
 
@@ -111,27 +119,7 @@ public class Person {
         if (getClass() != obj.getClass())
             return false;
         Person other = (Person) obj;
-        if (age != other.age)
-            return false;
-        if (email == null) {
-            if (other.email != null)
-                return false;
-        } else if (!email.equals(other.email))
-            return false;
-        if (name == null) {
-            if (other.name != null)
-                return false;
-        } else if (!name.equals(other.name))
-            return false;
-        if (registeredDate == null) {
-            if (other.registeredDate != null)
-                return false;
-        } else if (!registeredDate.equals(other.registeredDate))
-            return false;
-        if (salary == null) {
-            if (other.salary != null)
-                return false;
-        } else if (!salary.equals(other.salary))
+        if (id != other.id)
             return false;
         return true;
     }
diff --git a/spring-5/src/main/java/com/baeldung/jsonb/PersonController.java b/spring-5/src/main/java/com/baeldung/jsonb/PersonController.java
index 75fcd1e2cc..e216a282eb 100644
--- a/spring-5/src/main/java/com/baeldung/jsonb/PersonController.java
+++ b/spring-5/src/main/java/com/baeldung/jsonb/PersonController.java
@@ -26,12 +26,12 @@ public class PersonController {
     public void init() {
         // @formatter:off
         personRepository = new ArrayList<>(Arrays.asList(
-            new Person("Jhon", "jhon@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000)), 
-            new Person("Jhon", "jhon1@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500)), 
-            new Person("Jhon", null, 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000)),  
-            new Person("Tom", "tom@test.com", 21, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500)), 
-            new Person("Mark", "mark@test.com", 21, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1200)), 
-            new Person("Julia", "jhon@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000))));
+            new Person(1, "Jhon", "jhon@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000)), 
+            new Person(2, "Jhon", "jhon1@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500)), 
+            new Person(3, "Jhon", null, 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000)),  
+            new Person(4, "Tom", "tom@test.com", 21, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500)), 
+            new Person(5, "Mark", "mark@test.com", 21, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1200)), 
+            new Person(6, "Julia", "jhon@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000))));
         // @formatter:on
 
     }
diff --git a/spring-5/src/test/java/com/baeldung/jsonb/JsonbIntegrationTest.java b/spring-5/src/test/java/com/baeldung/jsonb/JsonbIntegrationTest.java
index a31a16d610..756b303f3b 100644
--- a/spring-5/src/test/java/com/baeldung/jsonb/JsonbIntegrationTest.java
+++ b/spring-5/src/test/java/com/baeldung/jsonb/JsonbIntegrationTest.java
@@ -30,15 +30,14 @@ public class JsonbIntegrationTest {
         ResponseEntity<Person> response = template.withBasicAuth(username, password)
             .getForEntity("/person/1", Person.class);
         Person person = response.getBody();
-        assertTrue(person.equals(new Person("Jhon", "jhon1@test.com", 0, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500.0))));
+        assertTrue(person.equals(new Person(2, "Jhon", "jhon1@test.com", 0, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500.0))));
     }
 
     @Test
     public void whenSendPostAPerson_thenGetOkStatus() {
         ResponseEntity<Boolean> response = template.withBasicAuth(username, password)
-            .postForEntity("/person", "{\"birthDate\":\"07-09-2017\",\"email\":\"jhon1@test.com\",\"person-name\":\"Jhon\"}", Boolean.class);
-        boolean value = response.getBody();
-        assertTrue(true == value);
+            .postForEntity("/person", "{\"birthDate\":\"07-09-2017\",\"email\":\"jhon1@test.com\",\"person-name\":\"Jhon\",\"id\":10}", Boolean.class);
+        assertTrue(response.getBody());
     }
 
 }
diff --git a/spring-5/src/test/java/com/baeldung/jsonb/JsonbTest.java b/spring-5/src/test/java/com/baeldung/jsonb/JsonbTest.java
index 7133999551..4caab86f7d 100644
--- a/spring-5/src/test/java/com/baeldung/jsonb/JsonbTest.java
+++ b/spring-5/src/test/java/com/baeldung/jsonb/JsonbTest.java
@@ -22,15 +22,15 @@ public class JsonbTest {
 
     @Test
     public void givenPersonObject_whenSerializeWithJsonb_thenGetPersonJson() {
-        Person person = new Person("Jhon", "jhon@test.com", 20, LocalDate.of(2019, 9, 7), BigDecimal.valueOf(1000));
+        Person person = new Person(1, "Jhon", "jhon@test.com", 20, LocalDate.of(2019, 9, 7), BigDecimal.valueOf(1000));
         String jsonPerson = jsonb.toJson(person);
-        assertTrue("{\"email\":\"jhon@test.com\",\"person-name\":\"Jhon\",\"registeredDate\":\"07-09-2019\",\"salary\":\"1000.0\"}".equals(jsonPerson));
+        assertTrue("{\"email\":\"jhon@test.com\",\"id\":1,\"person-name\":\"Jhon\",\"registeredDate\":\"07-09-2019\",\"salary\":\"1000.0\"}".equals(jsonPerson));
     }
 
     @Test
     public void givenPersonJson_whenDeserializeWithJsonb_thenGetPersonObject() {
-        Person person = new Person("Jhon", "jhon@test.com", 0, LocalDate.of(2019, 9, 7), BigDecimal.valueOf(1000.0));
-        String jsonPerson = "{\"email\":\"jhon@test.com\",\"person-name\":\"Jhon\",\"registeredDate\":\"07-09-2019\",\"salary\":\"1000.0\"}";
+        Person person = new Person(1, "Jhon", "jhon@test.com", 0, LocalDate.of(2019, 9, 7), BigDecimal.valueOf(1000.0));
+        String jsonPerson = "{\"email\":\"jhon@test.com\",\"id\":1,\"person-name\":\"Jhon\",\"registeredDate\":\"07-09-2019\",\"salary\":\"1000.0\"}";
         assertTrue(jsonb.fromJson(jsonPerson, Person.class)
             .equals(person));
     }