diff --git a/core-java-modules/core-java-collections-array-list/README.md b/core-java-modules/core-java-collections-array-list/README.md
index 3637f835cf..d24f7492bb 100644
--- a/core-java-modules/core-java-collections-array-list/README.md
+++ b/core-java-modules/core-java-collections-array-list/README.md
@@ -8,4 +8,4 @@ This module contains articles about the Java ArrayList collection
 - [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist)
 - [Multi Dimensional ArrayList in Java](https://www.baeldung.com/java-multi-dimensional-arraylist)
 - [Removing an Element From an ArrayList](https://www.baeldung.com/java-arraylist-remove-element)
-
+- [The Capacity of an ArrayList vs the Size of an Array in Java](https://www.baeldung.com/java-list-capacity-array-size)
diff --git a/core-java-modules/core-java-exceptions-3/README.md b/core-java-modules/core-java-exceptions-3/README.md
index f93e1a9943..8a59d6a229 100644
--- a/core-java-modules/core-java-exceptions-3/README.md
+++ b/core-java-modules/core-java-exceptions-3/README.md
@@ -6,3 +6,4 @@
 - [AbstractMethodError in Java](https://www.baeldung.com/java-abstractmethoderror)
 - [Java IndexOutOfBoundsException “Source Does Not Fit in Dest”](https://www.baeldung.com/java-indexoutofboundsexception)
 - [Localizing Exception Messages in Java](https://www.baeldung.com/java-localize-exception-messages)
+- [Explanation of ClassCastException in Java](https://www.baeldung.com/java-classcastexception)
diff --git a/persistence-modules/spring-data-jpa-repo-2/README.md b/persistence-modules/spring-data-jpa-repo-2/README.md
index de5188c1ad..0a690fe5a5 100644
--- a/persistence-modules/spring-data-jpa-repo-2/README.md
+++ b/persistence-modules/spring-data-jpa-repo-2/README.md
@@ -2,4 +2,5 @@
 
 ### Relevant Articles: 
 - [Introduction to Spring Data JPA](https://www.baeldung.com/the-persistence-layer-with-spring-data-jpa)
-- More articles: [[<-- prev]](/spring-data-jpa-repo/)
\ No newline at end of file
+- [Performance Difference Between save() and saveAll() in Spring Data](https://www.baeldung.com/spring-data-save-saveall)
+- More articles: [[<-- prev]](/spring-data-jpa-repo/)