Java SE 10 (March 2018) introduced type inference for local variables. Java Language Architect Brian Goetz explains the feature.

JEP 429, Extent-Local Variables (Incubator), was promoted from its JEP Draft 8263012 to Candidate status. This incubating JEP, under the umbrella of Project Loom, proposes enabling the sharing of ...

The "Understanding Java threads" series concludes by uncovering some of the loose ends of threading: thread groups, volatility, thread-local variables, timers, and thread death.