The case for the Java var keyword Java has always had a weird syntax to declare variables. A manifest type declaration on the left side must polymorphically match up with the object type provided on ...

Although Java lacks a true sizeof () equivalent, the Instrumentation interface introduced with J2SE5 can be used to get an estimate of the size of a particular object via its getObjectSize (Object ...

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

The product of JEP 395, the record keyword, lets you create a POJO (plain old Java object) without manually adding getters, setters, toString, equals, and hashcode methods as you normally would.