Java Keywords Flashcard Set

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interface

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A reference type in Java that is similar to a class, but can only contain constants, method signatures, default methods, static methods, and nested types.

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abstract

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A keyword used to declare a class that cannot be instantiated or a method that must be implemented by subclasses.

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this

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A reference variable in Java that refers to the current object.

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super

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A reference variable in Java that refers to the parent class.

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public

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An access modifier that allows the class, method, or variable to be accessible from any other class.

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final

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A keyword that indicates that a variable's value cannot be changed, a method cannot be overridden, or a class cannot be subclassed.

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private

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An access modifier that restricts visibility to the class itself.

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protected

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An access modifier that allows visibility to the class itself, subclasses, and classes in the same package.

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implements

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A keyword used to implement an interface in a class.

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extends

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A keyword used to indicate that a class is inheriting from a superclass.