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- JEP 295: Ahead-of-Time Compilation offers deployers a chance to compile the base Java modules to native code. This can save time on some optimizations, but it’s understandably limited (and should be).
- The Halstead Metrics (also known as “Halsted metrics”) discusses code complexity in Java. Worth considering; this particular explanation comes courtesy of JHawk, a commercial code metrics tool, not to be confused with “j-hawk“, an open source testing tool.
- Experimenting with “mutation testing†and Kotlin is a neat post describing PIT, a testing tool that changes your source code and runs your tests – if your tests don’t fail, your tests are probably bad (or your code’s awful.)
- Mutation Testing: Watching the Watchmen talks about the need for mutation testing, in addition to addressing the desire for unit testing. His point is: unit testing is good – do it. But it’s often not enough, and he promises to go more into mutation testing as an enhancement in future posts.
- JOOQ has published If Java Were Designed Today: The Synchronizable Interface, discussing what could have been designed as opposed to what we got with the
synchronized keyword – a Synchronizable interface, that could have been used for specific situations a lot like we use Iterable in more recent Java coding.
- The Double Colon Operator in Java 8 discusses, of all things, the double colon operator in Java 8 (surprise!), which is a shorthand way to refer to a method reference. You find this used very often when working with streams, because the shorthand is so useful.
- RedPen 1.4 has been released (back in October 2015, but I didn’t know about the project until it showed up on homebrew.) RedPen is a proofreading tool for technical documents, NOT for programming, and as such won’t be very useful for most readers of JavaChannel.org, but it’s still pretty interesting. For some reason, it complained a lot about the content of this post…