Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

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 ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

There are two ways of doing this: Follow a blacklist approach—i.e., explicitly forbidding objects of certain classes from being deserialized—or a more restrictive, whitelist approach.

In a data transfer class, no methods are required, the class has no need to support future extensibility and the data itself is immutable for the life of the object. The new Java Record type embraces ...