Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications ... You don’t have to create any Book objects to call class methods.

That’s because every time we create an object in Java, an object reference is created in Java’s memory heap. This lets us modify objects using their reference variables. See my InfoWorld ...

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 ...

When the Java language was created, Sun engineers decided that developers should not be responsible for managing the memory used by the objects they create. Instead, a garbage collection routine would ...