kb/data/en.wikipedia.org/wiki/Nullary_constructor-0.md

911 B

title chunk source category tags date_saved instance
Nullary constructor 1/1 https://en.wikipedia.org/wiki/Nullary_constructor reference science, encyclopedia 2026-05-05T11:36:45.009411+00:00 kb-cron

In computer programming, a nullary constructor is a constructor that takes no arguments. Also known as a 0-argument constructor, no-argument constructor, parameterless constructor or default constructor.

== Object-oriented constructors == In object-oriented programming, a constructor is code that is run when an object is created. Default constructors of objects are usually nullary.

=== Java example ===

=== C++ example ===

== Algebraic data types == In algebraic data types, a constructor is one of many tags that wrap data. If a constructor does not take any data arguments, it is nullary.

=== Haskell example ===

== See also == Default constructor

== References ==