The Java Function interface is quite simple. It takes a single Java object as an argument, and returns a single Java object when the method concludes. Any method you can conjure up takes an object and ...

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 currently supports only primitive types and object references. Project Valhalla extends this by introducing inline classes which are new types that exhibit some behaviors of both types of value.

Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching ...

If you need to aggregate content from webpages, consider a Java screen scraper such as JSoup to mine and organize data into categories for easy organization.

Java's I/O streams provide standardized ways to read and write data. Any object representing a mutable data source in Java exposes methods for reading and writing its data as a stream.