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 ...

// variables in interfaces are final and their values can not be modified later int speed=0; // a variable of this interface (must be initialized at declaration) void applyBrake(); // method signature ...

Java is an object-oriented programming language, but there’s more to Java than programming with objects. This tutorial is the first of several introducing non-object-oriented features and syntax ...