diff --git a/core-java-modules/core-java-arrays-operations-basic-2/pom.xml b/core-java-modules/core-java-arrays-operations-basic-2/pom.xml
index f92d9aa1327a..cbf9f415978c 100644
--- a/core-java-modules/core-java-arrays-operations-basic-2/pom.xml
+++ b/core-java-modules/core-java-arrays-operations-basic-2/pom.xml
@@ -12,13 +12,22 @@
         <groupId>com.baeldung.core-java-modules</groupId>
         <version>0.0.1-SNAPSHOT</version>
     </parent>
-
+    <properties>
+        <commons-rng.version>1.6</commons-rng.version>
+    </properties>
     <dependencies>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.14.0</version>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-rng-simple</artifactId>
+            <version>${commons-rng.version}</version>
         </dependency>
+
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
diff --git a/core-java-modules/core-java-arrays-operations-basic-2/src/test/java/com/baeldung/array/randombytes/RandomByteArrayTest.java b/core-java-modules/core-java-arrays-operations-basic-2/src/test/java/com/baeldung/array/randombytes/RandomByteArrayTest.java
new file mode 100644
index 000000000000..aca7e44bc543
--- /dev/null
+++ b/core-java-modules/core-java-arrays-operations-basic-2/src/test/java/com/baeldung/array/randombytes/RandomByteArrayTest.java
@@ -0,0 +1,51 @@
+package com.baeldung.array.randombytes;
+
+import org.apache.commons.lang3.RandomUtils;
+import org.apache.commons.rng.UniformRandomProvider;
+import org.apache.commons.rng.simple.RandomSource;
+import org.junit.jupiter.api.Test;
+
+import java.security.SecureRandom;
+import java.util.Random;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class RandomByteArrayTest {
+
+    int SIZE = 16;
+
+    @Test
+    public void givenSizeWhenGenerateUsingRandomThenOK() {
+        byte[] byteArray = new byte[SIZE];
+        Random random = new Random();
+        random.nextBytes(byteArray);
+
+        assertEquals(SIZE, byteArray.length);
+    }
+
+    @Test
+    public void givenSizeWhenGenerateUsingSecureRandomThenOK() {
+        byte[] byteArray = new byte[SIZE];
+        SecureRandom secureRandom = new SecureRandom();
+        secureRandom.nextBytes(byteArray);
+
+        assertEquals(SIZE, byteArray.length);
+    }
+
+    @Test
+    public void givenSizeWhenGenerateUsingRandomUtilsThenOK() {
+        byte[] byteArray = RandomUtils.nextBytes(SIZE);
+
+        assertEquals(SIZE, byteArray.length);
+    }
+
+    @Test
+    public void givenSizeWhenGenerateUsingUniformRandomProviderThenOK() {
+        byte[] byteArray = new byte[SIZE];
+        UniformRandomProvider randomProvider = RandomSource.XO_RO_SHI_RO_128_PP.create();
+        randomProvider.nextBytes(byteArray);
+
+        assertEquals(SIZE, byteArray.length);
+    }
+
+}