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Reflection vs Null - What's the difference?

reflection | null |

In computing terms the difference between reflection and null

is that reflection is the process or mechanism of determining the capabilities of an object at run-time while null is the attribute of an entity that has no valid value.

As nouns the difference between reflection and null

is that reflection is the act of reflecting or the state of being reflected while null is a non-existent or empty value or set of values.

As an adjective null is

having no validity, "null and void.

As a verb null is

to nullify; to annul.

reflection

English

Alternative forms

* reflexion

Noun

(en noun)
  • The act of reflecting or the state of being reflected.
  • The property of a propagated wave being thrown back from a surface (such as a mirror).
  • Something, such as an image, that is reflected.
  • (senseid) Careful thought or consideration.
  • *{{quote-book, year=1959, author=(Georgette Heyer), title=(The Unknown Ajax), chapter=1
  • , passage=But Richmond, his grandfather's darling, after one thoughtful glance cast under his lashes at that uncompromising countenance appeared to lose himself in his own reflections .}}
  • An implied criticism.
  • (label) The process or mechanism of determining the capabilities of an object at run-time.
  • Derived terms

    * reflectional * reflectionless * self-reflection

    See also

    * refraction * diffraction

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • Something that has no force or meaning.
  • (computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  • (computing) the attribute of an entity that has no valid value.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.
  • absent or non-existent
  • (mathematics) of the null set
  • (mathematics) of or comprising a value of precisely zero
  • (genetics, of a mutation) causing a complete loss of gene function, amorphic.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----