Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

First off, let’s get an understanding of interfaces and why they are needed in programming. An interface is strictly a contract; it doesn’t have any implementation. An interface contains only member ...

The interface segregation principle (ISP), one of the five SOLID principles of object-oriented design, states that no client should be forced to depend on methods it does not use. When developers ...