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Java: Concepts

Object-Oriented Programming Concepts

QuestionAnswer
What is an Object? An object is a software bundle of related state and behavior. Software objects are often used to model the real-world objects that you find in everyday life.
What is a Class? A class is a blueprint or prototype from which objects are created.
What is Inheritance? Inheritance provides a powerful and natural mechanism for organizing and structuring your software.
What is an Interface? An interface is a contract between a class and the outside world. When a class implements an interface, it promises to provide the behavior published by that interface.
What is a Package? A package is a namespace for organizing classes and interfaces in a logical manner. Placing your code into packages makes large software projects easier to manage.
Real-world objects contain___and___. state_____behavior.
A software object's state is stored in___. fields.
A software object's behavior is exposed through___. methods.
Hiding internal data from the outside world, and accessing it only through publicly exposed methods is known as data___. encapsulation.
A blueprint for a software object is called a ____. class.
Common behavior can be defined in a___and inherited into a___using the___keyword. superclass, subclass, extends.
A collection of methods with no implementation is called an____. interface.
A namespace that organizes classes and interfaces by functionality is called a____. package.
The term API stands for____. Application Programming Interface.
Created by: 1655516278
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