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Subclass vs Undefined - What's the difference?

subclass | undefined |

As a noun subclass

is (taxonomy) a rank directly below class.

As a verb subclass

is (computing) in object-oriented programming, to create a subclass of.

As an adjective undefined is

lacking a definition or value.

subclass

English

Noun

(es)
  • (taxonomy) A rank directly below class
  • (computing) In object-oriented programming, an object class derived from another class (its superclass) from which it inherits a base set of properties and methods.

    • Antonyms

    * superclass

    Verb

    (es)
  • (computing) In object-oriented programming, to create a subclass of.
    • I subclassed the Button class to create a more specialised FancyButton class for my user interface.
  • (computing) To cause (a window or object) to act as a member of a subclass.
  • * 2000 , James D. Foxall, MCSD in a Nutshell: The Visual Basic Exams (page 93)
    • Since Windows knows about these events, your application should be able to know about them as well. In order to accomplish this, subclass the window of a form or control, intercepting all of its events.

    Antonyms

    * (cause to act as a member of a subclass) unsubclass

    Derived terms

    * subclassable * unsubclass

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined