Object-Oriented Programming Concepts
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| 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.
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| What is a Class? | A class is a blueprint or prototype from which objects are created.
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| What is Inheritance? | Inheritance provides a powerful and natural mechanism for organizing and structuring your software.
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| 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.
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| 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.
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| Real-world objects contain___and___. | state_____behavior.
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| A software object's state is stored in___. | fields.
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| A software object's behavior is exposed through___. | methods.
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| Hiding internal data from the outside world, and accessing it only through publicly exposed methods is known as data___. | encapsulation.
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| A blueprint for a software object is called a ____. | class.
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| Common behavior can be defined in a___and inherited into a___using the___keyword. | superclass, subclass, extends.
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| A collection of methods with no implementation is called an____. | interface.
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| A namespace that organizes classes and interfaces by functionality is called a____. | package.
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| The term API stands for____. | Application Programming Interface.
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