For the last post of this year, why not have something of a less than serious flavour and post a song whose lyrics consist of Java source code entirely?
So, here goes: Italian comedy metal band Nanowar of Steel recently have published HelloWorld.java:
Yes, I can confirm, those lyrics compile and – of course – there’s a GitHub repository for the source code, including a unit test (just an end-of-the-year reminder to always write unit tests …)