## Relevant articles:

- [Why Do Local Variables Used in Lambdas Have to Be Final or Effectively Final?](https://www.baeldung.com/java-lambda-effectively-final-local-variables)
- [Java 8 – Powerful Comparison with Lambdas](http://www.baeldung.com/java-8-sort-lambda)
- [Functional Interfaces in Java 8](http://www.baeldung.com/java-8-functional-interfaces)
- [Lambda Expressions and Functional Interfaces: Tips and Best Practices](http://www.baeldung.com/java-8-lambda-expressions-tips)
- [Exceptions in Java 8 Lambda Expressions](http://www.baeldung.com/java-lambda-exceptions)
- [Method References in Java](https://www.baeldung.com/java-method-references)
- [The Double Colon Operator in Java 8](https://www.baeldung.com/java-8-double-colon-operator)