Java 19120 Code review changes (#13747)

* JAVA-19120 Move article Lambda Expression vs. Anonymous Inner Class to core-java-8-2 module

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Co-authored-by: Anastasios Ioannidis <121166333+anastasiosioannidis@users.noreply.github.com>

core-java-modules/core-java-8-2/README.md

@@ -11,5 +11,6 @@ This module contains articles about Java 8 core features
 - [Convert Between Byte Array and UUID in Java](https://www.baeldung.com/java-byte-array-to-uuid)
 - [Create a Simple “Rock-Paper-Scissors” Game in Java](https://www.baeldung.com/java-rock-paper-scissors)
 - [VarArgs vs Array Input Parameters in Java](https://www.baeldung.com/varargs-vs-array)
+- [Lambda Expression vs. Anonymous Inner Class](https://www.baeldung.com/java-lambdas-vs-anonymous-class)
 - [Java Helper vs. Utility Classes](https://www.baeldung.com/java-helper-vs-utility-classes)
 - [[<-- Prev]](/core-java-modules/core-java-8)

core-java-modules/core-java-lambdas/README.md

@@ -10,4 +10,3 @@
 - [Serialize a Lambda in Java](https://www.baeldung.com/java-serialize-lambda)
 - [Convert Anonymous Class into Lambda in Java](https://www.baeldung.com/java-from-anonymous-class-to-lambda)
 - [When to Use Callable and Supplier in Java](https://www.baeldung.com/java-callable-vs-supplier)
-- [Lambda Expression vs. Anonymous Inner Class](https://www.baeldung.com/java-lambdas-vs-anonymous-class)