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Singleton Meaning: Definition, Examples, and Translations

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singleton

sin-gle-ton

🇺🇸 /ˈsɪŋɡəɫtən/ · 🇬🇧 /sˈɪŋɡəltən/

Definition

Context #1 | Noun

programming

A design pattern that restricts the instantiation of a class to a single instance.

Synonyms

single instance pattern.

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Word Description / Examples
singleton

Can also be used more generally to describe any single, unique instance of something, not just in programming or software design.

  • In the context of physics, a singleton particle is one that has no duplicates in a given area.
  • He was the singleton child in the classroom, as all other students had siblings.
single instance pattern

A more verbose way of referring to the singleton design pattern, often used in documentation or detailed discussions about software architecture. It emphasizes the idea that only one instance of a class should exist.

  • The single instance pattern guarantees that only one logger instance will be used throughout the application.
  • Using the single instance pattern, we can control configurations centrally.

Examples of usage

  • Using the singleton pattern ensures that a class has only one instance in a program.
  • The singleton pattern is commonly used in software development to control access to resources.

Translations

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Quick facts about “singleton”

Singleton is a 3-syllable noun (sin-gle-ton). It is pronounced /ˈsɪŋɡəɫtən/ in American English and /sˈɪŋɡəltən/ in British English. On finesentence.com it has 1 meaning, 1 synonym, and translations into 21 languages.

Did you know?

“singleton” in mathematics

  • In set theory, a singleton is a set that contains exactly one element, like {5} or {apple}.
  • Singletons can simplify problems in mathematics by reducing the complexity of sets.

“singleton” in computer science

  • In programming, a singleton design pattern ensures a class has only one instance while providing a global access point to it.
  • Using a singleton can save memory and manage shared resources more effectively in software development.

“singleton” in psychology

  • The concept of being a singleton can relate to feelings of loneliness or uniqueness, which can affect an individual's mental health.
  • Studies show that single individuals often develop unique social networks, which can provide support different from traditional family structures.

“singleton” in pop culture

  • In the board game Monopoly, players can become a singleton in a game by being the last person standing.
  • The term is often used in dating contexts, referring to individuals who are not currently in a romantic relationship.

Origin of 'singleton'

Main points about word origin

  • The word comes from 'single' and a suffix '-ton,' which means 'one' in many contexts.
  • It first appeared in the English language around the 1970s, mainly in the fields of computer science and mathematics.

The term 'singleton' originated from the concept of a singleton set in mathematics, which is a set with exactly one element. In software development, the singleton design pattern was first introduced by the 'Gang of Four' in their book 'Design Patterns: Elements of Reusable Object-Oriented Software'. The pattern has since become a fundamental concept in object-oriented programming.


See also: singleness, singles, singlet.

Rhymes

Singleton rhymes with shingleton.

See all rhymes →