## Core Java Lang (Part 6)

This module contains articles about core features in the Java language

### Relevant Articles:

- [Convert One Enum to Another Enum in Java](https://www.baeldung.com/java-convert-enums)
- [What Is the Maximum Depth of the Java Call Stack?](https://www.baeldung.com/java-call-stack-max-depth)
- [Stop Executing Further Code in Java](https://www.baeldung.com/java-stop-running-code)
- [Using the Apache Commons Lang 3 for Comparing Objects in Java](https://www.baeldung.com/java-apache-commons-lang-3-compare-objects)
- [Return First Non-null Value in Java](https://www.baeldung.com/java-first-non-null)
- [Static Final Variables in Java](https://www.baeldung.com/java-static-final-variables)
- [What Is the Error: “Non-static method cannot be referenced from a static context”?](https://www.baeldung.com/java-non-static-method-cannot-be-referenced-from-a-static-context)
- [Recursively Sum the Integers in an Array](https://www.baeldung.com/java-recursive-sum-integer-array)
- [Set an Environment Variable at Runtime in Java](https://www.baeldung.com/java-set-environment-variable-runtime)