Flashcards for Java keywords
Flashcards for Java Keywords. Initial definitions from the Wikipedia for Java keywords as pointed to in Lesson 2 of the Wikiversity introductory Java course. Please do not change them without a clear understanding that there is an error present. Consider discussing the error with others either here or at Wikipedia prior to changing the definitions here on the master flashcard file. Forking and tailoring is encouraged if you wish to personalize the definitions.
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- Used in a class declaration to specify the superclass; used in an interface declaration to specify one or more superinterfaces. Class X extends class Y to add functionality, either by adding fields or methods to class Y, or by overriding methods of class Y. An interface Z extends one or more interfaces by adding methods. Class X is said to be a subclass of class Y; Interface Z is said to be a subinterface of the interfaces it extends.