Introduction of Google Error-Prone
Introdution to Google Error-Prone in Maven, which augments the compiler's type analysis and catches more mistakes at compile time!
Introduction of Immutables
Introduction of Java framework Immutables which creates immutable objects and builders for you. Type-safe, null-safe and thread-safe, with no boilerplate.
Why You Should Use Auto Value in Java?
Auto Value generates immutable value classes during Java compilation, including equals(), hashCode(), toString(). It lighten your load from writing these boilerplate source code.