Objects, Classes, and Instance

1. Object is a unitary entity (object), either in the form of real and unreal objectives such as system or concept that has characteristics and properties of the function.
   Examples: cake, markers, cars, phones, etc.
2.  The class is modeling of the object that contains information (rules) of the characteristic properties (data) and behaviors (methods) that are owned by the object.
   Examples: cake recipe, material markers, etc.
3.   Instance is the embodiment, which in terms of programming, an object is an instance (manifestation) of a class. Instantiation is: the embodiment of a class of objects. Usually within the Java programming using the new command.