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 ...

Object-oriented programming is a method of programming based on a hierarchy of classes, and well-defined and cooperating objects. This repository will document a variety of these concepts as well a ...

Java is an object-oriented programming language. This is object-oriented programming because programs are built around objects and their interactions. An object contains state and behavior. Everything ...

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 ...

Java object serialization is a feature of the JDK that is far too often overlooked. When a developer puts together a prototype or cooks up a proof of concept, simply saving a serialized Java object to ...

OpenJDK proposal to reduce the Java object header by half or more would lower memory and CPU usage on all Java workloads.