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 ...

This article shows how to use the Apache Commons JXPath component to easily query complex Java object trees for data using the XPath expression language. It covers both basic and advanced features ...

Leading persistence solution architects their views on the current state of the union in persistence in the Java community.

More importantly, Reinhold, announced Oracle’s decision to improve Java’s security by changing the way Java handles object serialization.

Java currently supports only two types of value: primitives and object references. Project Valhalla extends this by introducing inline classes which are a new form of type that exhibit some ...

I need to figure out a way to convert a user defined type to a byte array and be able to reconstruct that type from the byte array. So far, what I came up with was to convert each variable in the ...

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

Roadmap for Java Here are the steps you’ll want to follow on the 2023 Java developer career roadmap: Learn the fundamentals. Get object-oriented. Install the JDK and an IDE. Dig deeper into the API.