diff --git a/core-java/src/main/java/com/baeldung/exceptions/RootCauseFinder.java b/core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/rootcausefinder/RootCauseFinder.java
similarity index 98%
rename from core-java/src/main/java/com/baeldung/exceptions/RootCauseFinder.java
rename to core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/rootcausefinder/RootCauseFinder.java
index e05dc7a6cd..06610f3874 100644
--- a/core-java/src/main/java/com/baeldung/exceptions/RootCauseFinder.java
+++ b/core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/rootcausefinder/RootCauseFinder.java
@@ -1,4 +1,4 @@
-package com.baeldung.exceptions;
+package com.baeldung.exceptions.rootcausefinder;
 
 import java.time.LocalDate;
 import java.time.Period;
diff --git a/core-java/src/test/java/com/baeldung/exceptions/RootCauseFinderUnitTest.java b/core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exceptions/rootcausefinder/RootCauseFinderUnitTest.java
similarity index 98%
rename from core-java/src/test/java/com/baeldung/exceptions/RootCauseFinderUnitTest.java
rename to core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exceptions/rootcausefinder/RootCauseFinderUnitTest.java
index 03e6ac0f00..f963f23712 100644
--- a/core-java/src/test/java/com/baeldung/exceptions/RootCauseFinderUnitTest.java
+++ b/core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exceptions/rootcausefinder/RootCauseFinderUnitTest.java
@@ -1,4 +1,4 @@
-package com.baeldung.exceptions;
+package com.baeldung.exceptions.rootcausefinder;
 
 import com.google.common.base.Throwables;
 import org.apache.commons.lang3.exception.ExceptionUtils;