Segregated test cases for primitive and object types. Added test case

for Autoboxing.

core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java

@@ -8,50 +8,49 @@ import org.junit.jupiter.api.Test;
 public class AccessPrivateFieldsUnitTest {
 
     @Test
-    public void whenGetFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
 
-        Field nameField = person.getClass()
-            .getDeclaredField("name");
-        nameField.setAccessible(true);
-
-        String name = (String) nameField.get(person);
-
         Field ageField = person.getClass()
             .getDeclaredField("age");
         ageField.setAccessible(true);
 
         byte age = ageField.getByte(person);
-
-        Assertions.assertEquals("John", name);
         Assertions.assertEquals(30, age);
-    }
-
-    @Test
-    public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
-        Person person = new Person();
 
         Field uidNumberField = person.getClass()
             .getDeclaredField("uidNumber");
         uidNumberField.setAccessible(true);
 
         short uidNumber = uidNumberField.getShort(person);
+        Assertions.assertEquals(5555, uidNumber);
 
         Field pinCodeField = person.getClass()
             .getDeclaredField("pinCode");
         pinCodeField.setAccessible(true);
 
         int pinCode = pinCodeField.getInt(person);
+        Assertions.assertEquals(452002, pinCode);
 
         Field contactNumberField = person.getClass()
             .getDeclaredField("contactNumber");
         contactNumberField.setAccessible(true);
 
         long contactNumber = contactNumberField.getLong(person);
-
-        Assertions.assertEquals(5555, uidNumber);
-        Assertions.assertEquals(452002, pinCode);
         Assertions.assertEquals(123456789L, contactNumber);
+
+    }
+
+    @Test
+    public void whenDoAutoboxing_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        Integer pinCode = pinCodeField.getInt(person);
+        Assertions.assertEquals(452002, pinCode);
     }
 
     @Test
@@ -63,14 +62,13 @@ public class AccessPrivateFieldsUnitTest {
         heightField.setAccessible(true);
 
         float height = heightField.getFloat(person);
+        Assertions.assertEquals(6.1242f, height);
 
         Field weightField = person.getClass()
             .getDeclaredField("weight");
         weightField.setAccessible(true);
 
         double weight = weightField.getDouble(person);
-
-        Assertions.assertEquals(6.1242f, height);
         Assertions.assertEquals(75.2564, weight);
     }
 
@@ -83,7 +81,6 @@ public class AccessPrivateFieldsUnitTest {
         genderField.setAccessible(true);
 
         char gender = genderField.getChar(person);
-
         Assertions.assertEquals('M', gender);
     }
 
@@ -96,10 +93,21 @@ public class AccessPrivateFieldsUnitTest {
         activeField.setAccessible(true);
 
         boolean active = activeField.getBoolean(person);
-
         Assertions.assertTrue(active);
     }
 
+    @Test
+    public void whenGetObjectFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+        nameField.setAccessible(true);
+
+        String name = (String) nameField.get(person);
+        Assertions.assertEquals("John", name);
+    }
+
     @Test
     public void givenInt_whenGetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();