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 ...

What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

Get to know the Java persistence standard based on Hibernate and learn how to use JPA to store and manage Java objects in a relational or NoSQL database.

As such, you can incorporate the functional Consumer interface into your code simply by creating a class that implements java.util.function.Consumer, or by coding an inner class. Here is the Java code ...