Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Java 25 introduces Compact Object Headers (JEP 519), delivering up to 30% CPU savings and reduced memory usage for applications with small objects. This user-friendly feature compresses object headers ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

The Java DataStax Driver comes with an object mapper that removes boilerplate of writing queries and lets you focus on your application objects. This example shows how to use mapper to build Data ...

The desire to achieve this goal contributed to the decision to remove all forms of explicit memory address manipulation from the Java language, as well as eliminate any direct means of reclaiming the ...

The number of wins, losses and ties maintained by the Score class can only be incremented by one at a time, so instead of setter methods, the Java serialization object will have methods called ...

java-object-diff is a simple, yet powerful library to find differences between Java objects. It takes two objects and generates a tree structure that represents any differences between the objects and ...