diff --git a/core-java/src/test/java/org/baeldung/java/CoreJavaRandomUnitTest.java b/core-java/src/test/java/org/baeldung/java/CoreJavaRandomUnitTest.java
index 36eb8d4714..95cd1b7c50 100644
--- a/core-java/src/test/java/org/baeldung/java/CoreJavaRandomUnitTest.java
+++ b/core-java/src/test/java/org/baeldung/java/CoreJavaRandomUnitTest.java
@@ -172,12 +172,26 @@ public class CoreJavaRandomUnitTest {
     }
 
     @Test
-    public void givenUsingApache_whenGeneratingRandomStringUnbounded_thenCorrect() {
+    public void givenUsingApache_whenGeneratingRandomString_thenCorrect() {
         final String generatedString = RandomStringUtils.random(10);
 
         System.out.println(generatedString);
     }
 
+    @Test
+    public void givenUsingApache_whenGeneratingRandomAlphabeticString_thenCorrect() {
+        final String generatedString = RandomStringUtils.randomAlphabetic(10);
+
+        System.out.println(generatedString);
+    }
+
+    @Test
+    public void givenUsingApache_whenGeneratingRandomAlphanumericString_thenCorrect() {
+        final String generatedString = RandomStringUtils.randomAlphanumeric(10);
+
+        System.out.println(generatedString);
+    }
+
     @Test
     public void givenUsingApache_whenGeneratingRandomStringBounded_thenCorrect() {
         final int length = 10;