different between subclass vs mixin

English

Alternative forms

• sub-class

Etymology

sub- +? class

Pronunciation

• Hyphenation: sub?class

Noun

subclass (plural subclasses)

1. (object-oriented programming) An object class derived from another class (its superclass) from which it inherits a base set of properties and methods.
2. (taxonomy) A rank directly below class
3. A secondary class within a main class.
   • 1959, "Steam's Finest Hour" edited by David P. Morgan, Kalmbach Publishing Co., referring to the R-1 Mountain class loco.

Synonyms

• (computing): child class, derived class, heir class
• (general): subset

Antonyms

• superclass
• superset

Hypernyms

• class

Translations

Verb

subclass (third-person singular simple present subclasses, present participle subclassing, simple past and past participle subclassed)

1. (transitive, computing) (in object-oriented programming) To create a subclass of (some class).

   I subclassed the Button class to create a more specialised FancyButton class for my user interface.

2. (transitive, computing) To cause (an object) to act as an instance of a subclass (by creating the desired subclass and instantiating an object of this 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

English

Etymology

mix +? in

Pronunciation

• IPA^(key): /?m?ks?n/

Noun

mixin (plural mixins)

1. (object-oriented programming) An uninstantiable class that provides functionality to be inherited by a subclass.

   Traits are somewhat between an interface and a mixin, as an interface contains only method signatures, while a trait includes also the full method definitions; on the other side mixins include method definitions, but they can also carry state through attributes, while traits usually don't.

Synonyms

• abstract base class

See also

• interface
• trait

References

Anagrams

• Minix, inmix