java7

http://tutorials.jenkov.com/java-exception-handling/try-with-resources.html
https://www.slideshare.net/myfear/introducing-java-7
https://dzone.com/articles/new-java-7-language-features
https://www.eclipse.org/jdt/ui/r3_8/Java7news/whats-new-java-7.html
https://stackoverflow.com/questions/213958/new-features-in-java-7