diff --git a/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java
new file mode 100644
index 0000000000..6bdfc58d78
--- /dev/null
+++ b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java
@@ -0,0 +1,87 @@
+package com.baeldung.reflection.set.fields;
+
+public class Person {
+
+    private String name;
+    private byte age;
+    private short uidNumber;
+    private int pinCode;
+    private long contactNumber;
+    private float height;
+    private double weight;
+    private char gender;
+    private boolean active;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public byte getAge() {
+        return age;
+    }
+
+    public void setAge(byte age) {
+        this.age = age;
+    }
+
+    public short getUidNumber() {
+        return uidNumber;
+    }
+
+    public void setUidNumber(short uidNumber) {
+        this.uidNumber = uidNumber;
+    }
+
+    public int getPinCode() {
+        return pinCode;
+    }
+
+    public void setPinCode(int pinCode) {
+        this.pinCode = pinCode;
+    }
+
+    public long getContactNumber() {
+        return contactNumber;
+    }
+
+    public void setContactNumber(long contactNumber) {
+        this.contactNumber = contactNumber;
+    }
+
+    public float getHeight() {
+        return height;
+    }
+
+    public void setHeight(float height) {
+        this.height = height;
+    }
+
+    public double getWeight() {
+        return weight;
+    }
+
+    public void setWeight(double weight) {
+        this.weight = weight;
+    }
+
+    public char getGender() {
+        return gender;
+    }
+
+    public void setGender(char gender) {
+        this.gender = gender;
+    }
+
+    public boolean isActive() {
+        return active;
+    }
+
+    public void setActive(boolean active) {
+        this.active = active;
+    }
+
+}
diff --git a/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
new file mode 100644
index 0000000000..18a378cf07
--- /dev/null
+++ b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
@@ -0,0 +1,182 @@
+package com.baeldung.reflection.set.fields;
+
+import java.lang.reflect.Field;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class SetFieldsUsingReflectionUnitTest {
+
+    @Test
+    public void whenSetIntegerFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field ageField = person.getClass()
+            .getDeclaredField("age");
+        ageField.setAccessible(true);
+
+        byte age = 26;
+        ageField.setByte(person, age);
+        Assertions.assertEquals(26, person.getAge());
+
+        Field uidNumberField = person.getClass()
+            .getDeclaredField("uidNumber");
+        uidNumberField.setAccessible(true);
+
+        short uidNumber = 5555;
+        uidNumberField.setShort(person, uidNumber);
+        Assertions.assertEquals(5555, person.getUidNumber());
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        int pinCode = 411057;
+        pinCodeField.setInt(person, pinCode);
+        Assertions.assertEquals(411057, person.getPinCode());
+
+        Field contactNumberField = person.getClass()
+            .getDeclaredField("contactNumber");
+        contactNumberField.setAccessible(true);
+
+        long contactNumber = 123456789L;
+        contactNumberField.setLong(person, contactNumber);
+        Assertions.assertEquals(123456789L, person.getContactNumber());
+
+    }
+
+    @Test
+    public void whenDoUnboxing_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        Integer pinCode = 411057;
+        pinCodeField.setInt(person, pinCode);
+        Assertions.assertEquals(411057, person.getPinCode());
+    }
+
+    @Test
+    public void whenDoNarrowing_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        Short pinCode = 4110;
+        pinCodeField.setInt(person, pinCode);
+        Assertions.assertEquals(4110, person.getPinCode());
+    }
+
+    @Test
+    public void whenSetFloatingTypeFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field heightField = person.getClass()
+            .getDeclaredField("height");
+        heightField.setAccessible(true);
+
+        float height = 6.1242f;
+        heightField.setFloat(person, height);
+        Assertions.assertEquals(6.1242f, person.getHeight());
+
+        Field weightField = person.getClass()
+            .getDeclaredField("weight");
+        weightField.setAccessible(true);
+
+        double weight = 75.2564;
+        weightField.setDouble(person, weight);
+        Assertions.assertEquals(75.2564, person.getWeight());
+    }
+
+    @Test
+    public void whenSetCharacterFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field genderField = person.getClass()
+            .getDeclaredField("gender");
+        genderField.setAccessible(true);
+
+        char gender = 'M';
+        genderField.setChar(person, gender);
+        Assertions.assertEquals('M', person.getGender());
+    }
+
+    @Test
+    public void whenSetBooleanFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field activeField = person.getClass()
+            .getDeclaredField("active");
+        activeField.setAccessible(true);
+
+        boolean active = true;
+        activeField.setBoolean(person, active);
+        Assertions.assertTrue(person.isActive());
+    }
+
+    @Test
+    public void whenSetObjectFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+        nameField.setAccessible(true);
+
+        String name = "Umang Budhwar";
+        nameField.set(person, name);
+        Assertions.assertEquals("Umang Budhwar", person.getName());
+    }
+
+    @Test
+    public void givenInt_whenSetStringField_thenIllegalArgumentException() throws Exception {
+        Person person = new Person();
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+        nameField.setAccessible(true);
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> nameField.setInt(person, 26));
+    }
+
+    @Test
+    public void givenInt_whenSetLongField_thenIllegalArgumentException() throws Exception {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        long pinCode = 411057L;
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> pinCodeField.setLong(person, pinCode));
+    }
+
+    @Test
+    public void whenFieldNotSetAccessible_thenIllegalAccessException() throws Exception {
+        Person person = new Person();
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+
+        Assertions.assertThrows(IllegalAccessException.class, () -> nameField.set(person, "Umang Budhwar"));
+    }
+
+    @Test
+    public void whenAccessingWrongProperty_thenNoSuchFieldException() throws Exception {
+        Person person = new Person();
+
+        Assertions.assertThrows(NoSuchFieldException.class, () -> person.getClass()
+            .getDeclaredField("firstName"));
+    }
+
+    @Test
+    public void whenAccessingNullProperty_thenNullPointerException() throws Exception {
+        Person person = new Person();
+
+        Assertions.assertThrows(NullPointerException.class, () -> person.getClass()
+            .getDeclaredField(null));
+    }
+
+}