What does is-a mean?

Definitions for is-a
is-a

This dictionary definitions page includes all the possible meanings, example usage and translations of the word is-a.


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Wiktionary

  1. is-anoun

    The relationship between two entities in object-oriented computer programming in which one entity is inherited from the other.

  2. is-averb

    Is a member of the class.

    An apple is-a fruit.

Wikipedia

  1. Is-a

    In knowledge representation, object-oriented programming and design (see object-oriented program architecture), is-a (is_a or is a) is a subsumption relationship between abstractions (e.g. types, classes), wherein one class A is a subclass of another class B (and so B is a superclass of A). In other words, type A is a subtype of type B when A's specification implies B's specification. That is, any object (or class) that satisfies A's specification also satisfies B's specification, because B's specification is weaker.The is-a relationship is to be contrasted with the has-a (has_a or has a) relationship between types (classes); confusing the relations has-a and is-a is a common error when designing a model (e.g., a computer program) of the real-world relationship between an object and its subordinate. The is-a relationship may also be contrasted with the instance-of relationship between objects (instances) and types (classes): see Type–token distinction.

Wikidata

  1. Is-a

    In knowledge representation, object-oriented programming and design, is-a or is_a or is a is a relationship where one class A is a subclass of another class B. In other words, Type A is a subtype of type B when A’s specification implies B’s specification. That is, any object that satisfies A’s specification also satisfies B’s specification, because B’s specification is weaker. The is-a relationship is contrasted with the has-a relationship, which constitutes the holonym-meronym hierarchy. It may also be contrasted with the instance-of relation: see type-token distinction. When designing a model of the real-world relationship between an object and its subordinate, a common error is confusing the relations has-a and is-a.

Anagrams for is-a »

  1. sai

  2. ais

  3. Ais

  4. AIS

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Numerology

  1. Chaldean Numerology

    The numerical value of is-a in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of is-a in Pythagorean Numerology is: 2

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"is-a." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/is-a>.

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