subclassとは

意味・読み方・使い方

語源

sub- +‎ class

発音

• ハイフネーション: sub‧class

名詞

subclass (複数形 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.

     These 4-8-2's, of which B&M eventually purchased 18 in various subclasses, could almost haul the tonnage of a T and more than made up for the slight deficiency by raising the maximum speed limit from 45 to 70 miles per hour, thanks to 73-inch drivers.

   • 2014, James Lambert, “Diachronic stability in Indian English lexis”, in World Englishes, page 116:

     Goffin is a prose text interspersed with short lists of typical terms exemplifying certain sub-classes of Indian English lexis.

同意語

• (コンピューター): child class, derived class, heir class
• (general): subset

反意語

• superclass
• superset

上位語

• class

動詞

subclass (三人称単数 現在形 subclasses, 現在分詞 subclassing, 過去形および過去分詞形 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 かつ 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.

反意語

• (cause to act as a member of a subclass): unsubclass

派生語

• subclassable
• unsubclass