A class implements an interface by appending Java’s implements keyword followed by a comma-separated list of interface names to the class header, and by coding each interface method in the class.

In other words, a Java class that supports the SOLID open-closed principle will find use in originally un-envisioned scenarios, and be flexible enough to work with newly created classes, interfaces ...

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 ...

With PF4J you can easily transform a monolithic java application in a modular application. PF4J is an open source (Apache license) lightweight (around 100 KB) plugin framework for java, with minimal ...