JAVA-622: readme changes, moved all enum articles to

core-java-lang-oop-types

core-java-modules/core-java-lang-oop-types/README.md

@@ -7,3 +7,6 @@ This module contains articles about types in Java
 - [Guide to the this Java Keyword](https://www.baeldung.com/java-this)
 - [Nested Classes in Java](https://www.baeldung.com/java-nested-classes)
 - [Marker Interfaces in Java](https://www.baeldung.com/java-marker-interfaces)
+- [Iterating Over Enum Values in Java](https://www.baeldung.com/java-enum-iteration)
+- [Attaching Values to Java Enum](https://www.baeldung.com/java-enum-values)
+- [A Guide to Java Enums](https://www.baeldung.com/a-guide-to-java-enums)

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

@@ -4,7 +4,6 @@ This module contains articles about core features in the Java language
 
 ### Relevant Articles: 
 - [Generate equals() and hashCode() with Eclipse](https://www.baeldung.com/java-eclipse-equals-and-hashcode)
-- [Iterating Over Enum Values in Java](https://www.baeldung.com/java-enum-iteration)
 - [Comparator and Comparable in Java](https://www.baeldung.com/java-comparator-comparable)
 - [Recursion In Java](https://www.baeldung.com/java-recursion)
 - [A Guide to the finalize Method in Java](https://www.baeldung.com/java-finalize)
@@ -12,8 +11,6 @@ This module contains articles about core features in the Java language
 - [Using Java Assertions](https://www.baeldung.com/java-assert)
 - [Synthetic Constructs in Java](https://www.baeldung.com/java-synthetic)
 - [Retrieving a Class Name in Java](https://www.baeldung.com/java-class-name)
-- [Attaching Values to Java Enum](https://www.baeldung.com/java-enum-values)
 - [The Java continue and break Keywords](https://www.baeldung.com/java-continue-and-break)
-- [A Guide to Java Enums](https://www.baeldung.com/a-guide-to-java-enums)
 - [Infinite Loops in Java](https://www.baeldung.com/infinite-loops-java)
 - [[More --> ]](/core-java-modules/core-java-lang-2)