Polymorphic vs Null - What's the difference?
polymorphic | null |
relating to polymorphism (any sense), able to have several shapes or forms
* 1859, Charles Darwin, On the Origin of Species
* 1897, Grant Allen, An African Millionaire
* 1996 , Rod Ellis, Data abstraction and program design
(programming, of a function) able to take multiple data types
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
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.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
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.
As an adjective polymorphic
is relating to polymorphism (any sense), able to have several shapes or forms.As a noun null is
zero, nil; the cardinal number before einn.polymorphic
English
Adjective
(-)- I refer to those genera which have sometimes been called "protean" or "polymorphic ," in which the species present an inordinate amount of variation; and hardly two naturalists can agree which forms to rank as species and which as varieties.
- Dr. Beddersley came -- a dapper little man, with pent-house eyebrows, and keen, small eyes, whom I suspected at sight of being Colonel Clay himself in another of his clever polymorphic embodiments.
- Polymorphic redefinition in C++ is achieved by the use of virtual functions.
Antonyms
* monomorphicnull
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- 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.