### Relevant Articles: - [Scheduling in Java EE](http://www.baeldung.com/scheduling-in-java-enterprise-edition) - [JSON Processing in Java EE 7](http://www.baeldung.com/jee7-json) - [Converters, Listeners and Validators in Java EE 7](http://www.baeldung.com/java-ee7-converter-listener-validator) - [Introduction to JAX-WS](http://www.baeldung.com/jax-ws) - [A Guide to Java EE Web-Related Annotations](http://www.baeldung.com/javaee-web-annotations) - [Introduction to Testing with Arquillian](http://www.baeldung.com/arquillian) - [Java EE 7 Batch Processing](https://www.baeldung.com/java-ee-7-batch-processing) - [The Difference Between CDI and EJB Singleton](https://www.baeldung.com/jee-cdi-vs-ejb-singleton)