diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index c140fce584..dc8ad3851d 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -49,8 +49,9 @@
     </build>
 
     <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <validator.version>1.7</validator.version>
         <apache-commons-lang3.version>3.12.0</apache-commons-lang3.version>
     </properties>
-
 </project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/repeatedcharstring/RepeatedCharacterStringUnitTest.java b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/repeatedcharstring/RepeatedCharacterStringUnitTest.java
index 42697c781e..81e78e8fd0 100644
--- a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/repeatedcharstring/RepeatedCharacterStringUnitTest.java
+++ b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/repeatedcharstring/RepeatedCharacterStringUnitTest.java
@@ -19,6 +19,18 @@ class RepeatedCharacterStringUnitTest {
     private static final String EXPECTED_STRING = "aaaaaaa";
     private static final int N = 7;
 
+    @Test
+    void givenSingleCharacterString_whenRepeat_thenStringCreated() {
+        String newString = "a".repeat(N);
+        assertEquals(EXPECTED_STRING, newString);
+    }
+
+    @Test
+    void givenMultiCharacterString_whenRepeat_thenStringCreated() {
+        String newString = "-->".repeat(5);
+        assertEquals("-->-->-->-->-->", newString);
+    }
+
     @Test
     void givenString_whenStringBuilderUsed_thenStringCreated() {
         StringBuilder builder = new StringBuilder(N);
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index d9da5a845b..809aa72966 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -107,7 +107,6 @@
         <module>core-java-streams-4</module>
         <module>core-java-string-algorithms</module>
         <module>core-java-string-algorithms-2</module>
-        <module>core-java-string-algorithms-3</module>
         <module>core-java-string-apis</module>
         <module>core-java-string-conversions</module>
         <module>core-java-string-conversions-2</module>
diff --git a/pom.xml b/pom.xml
index a5b6b31022..f2a230357c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1333,6 +1333,7 @@
                  <module>core-java-modules/core-java-io-conversions-2</module>
                  <module>core-java-modules/core-java-jpms</module>
                  <module>core-java-modules/core-java-os</module>
+                 <module>core-java-modules/core-java-string-algorithms-3</module>
                  <module>core-java-modules/core-java-string-operations-3</module>
                  <module>core-java-modules/core-java-string-operations-4</module>
                  <module>core-java-modules/core-java-time-measurements</module>