Red - Chapter 4 exercises/test answers

Chapter 4 _Try This_ and self test answers.
Yeah, try with resources apparently reduces the need for close statements, although from the way this is implemented, you probably need to be aware of this.
[http://java.dzone.com/articles/java-7-new-feature-%E2%80%93](http://java.dzone.com/articles/java-7-new-feature-%E2%80%93)