As I explained in Java 101: Classes and objects in Java, the interface is the part of the class that is accessible to code located outside of it. A class’s interface consists of some combination ...

Maximizing code reuse in your Java programs means writing code that ... Factory method: Defines an interface for creating objects, but lets subclasses decide which class to instantiate.

If you want to master functional programming, the best place to start is with the Java Function interface. This example will show you four different ways to implement this functional interface in your ...

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. As you can see, there ...