diff --git a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteArrayToPrimitiveByteArrayUnitTest.java b/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteArrayToPrimitiveByteArrayUnitTest.java
new file mode 100644
index 0000000000..758fe74685
--- /dev/null
+++ b/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteArrayToPrimitiveByteArrayUnitTest.java
@@ -0,0 +1,36 @@
+package com.baeldung.array.conversions;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.apache.commons.lang3.ArrayUtils;
+import org.junit.jupiter.api.Test;
+
+public class ByteArrayToPrimitiveByteArrayUnitTest {
+    private static final byte[] EXPECTED_ARRAY_VALUES = {65, 66, 67, 68};
+    private static final Byte[] BYTE_ARRAY = {65, 66, 67, 68};
+
+    @Test
+    public void givenByteArray_whenConvertingUsingByteValue_thenGiveExpectedResult() {
+        byte[] newByteArray = new byte[BYTE_ARRAY.length];
+        for (int i = 0; i < BYTE_ARRAY.length; i++) {
+            newByteArray[i] = BYTE_ARRAY[i].byteValue();
+        }
+        assertThat(newByteArray).containsExactly(EXPECTED_ARRAY_VALUES);
+    }
+
+    @Test
+    public void givenByteArray_whenConvertingUsingUnboxing_thenGiveExpectedResult() {
+        byte[] newByteArray = new byte[BYTE_ARRAY.length];
+        for (int i = 0; i < BYTE_ARRAY.length; i++) {
+            newByteArray[i] = BYTE_ARRAY[i];
+        }
+        assertThat(newByteArray).containsExactly(EXPECTED_ARRAY_VALUES);
+    }
+
+    @Test
+    public void givenByteArray_whenConvertingArrayUtils_thenGiveExpectedResult() {
+        byte[] newByteArray = ArrayUtils.toPrimitive(BYTE_ARRAY);
+
+        assertThat(newByteArray).containsExactly(EXPECTED_ARRAY_VALUES);
+    }
+}
diff --git a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/PrimitiveByteArrayToByteArrayUnitTest.java b/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/PrimitiveByteArrayToByteArrayUnitTest.java
new file mode 100644
index 0000000000..8c0bd4401c
--- /dev/null
+++ b/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/PrimitiveByteArrayToByteArrayUnitTest.java
@@ -0,0 +1,47 @@
+package com.baeldung.array.conversions;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.Arrays;
+
+import org.apache.commons.lang3.ArrayUtils;
+import org.junit.jupiter.api.Test;
+
+public class PrimitiveByteArrayToByteArrayUnitTest {
+    private static final byte[] PRIMITIVE_BYTE_ARRAY = {65, 66, 67, 68};
+    private static final Byte[] EXPECTED_ARRAY_VALUES = {65, 66, 67, 68};
+
+    @Test
+    public void givenPrimitiveByteArray_whenConvertingUsingByteValueOf_thenGiveExpectedResult() {
+        Byte[] newByteArray = new Byte[PRIMITIVE_BYTE_ARRAY.length];
+        for (int i = 0; i < PRIMITIVE_BYTE_ARRAY.length; i++) {
+            newByteArray[i] = Byte.valueOf(PRIMITIVE_BYTE_ARRAY[i]);
+        }
+        assertThat(newByteArray).containsExactly(EXPECTED_ARRAY_VALUES);
+    }
+
+    @Test
+    public void givenPrimitiveByteArray_whenConvertingUsingAutoboxing_thenGiveExpectedResult() {
+        Byte[] newByteArray = new Byte[PRIMITIVE_BYTE_ARRAY.length];
+        for (int i = 0; i < PRIMITIVE_BYTE_ARRAY.length; i++) {
+            newByteArray[i] = PRIMITIVE_BYTE_ARRAY[i];
+        }
+        assertThat(newByteArray).containsExactly(EXPECTED_ARRAY_VALUES);
+    }
+
+    @Test
+    public void givenPrimitiveByteArray_whenConvertingUsingAutoboxingAndArraysSetAll_thenGiveExpectedResult() {
+        Byte[] newByteArray = new Byte[PRIMITIVE_BYTE_ARRAY.length];
+        Arrays.setAll(newByteArray, n -> PRIMITIVE_BYTE_ARRAY[n]);
+
+        assertThat(newByteArray)
+            .containsExactly(EXPECTED_ARRAY_VALUES);
+    }
+
+    @Test
+    public void givenPrimitiveByteArray_whenConvertingUsingArrayUtils_thenGiveExpectedResult() {
+        Byte[] newByteArray = ArrayUtils.toObject(PRIMITIVE_BYTE_ARRAY);
+
+        assertThat(newByteArray).containsExactly(EXPECTED_ARRAY_VALUES);
+    }
+}