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Singleton: meaning, definitions and examples

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singleton

[ ˈsɪŋɡ(ə)ltən ]

Noun

^{Context #1 | Noun}

programming

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

Synonyms

single instance pattern.

Which Synonym Should You Choose?

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.

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

Translations of the word "singleton" in other languages:

🇵🇹 solteiro

🇮🇳 एकल

🇩🇪 Einzelgänger

🇮🇩 tunggal

🇺🇦 одинак

🇵🇱 singiel

🇯🇵 シングルトン

🇫🇷 célibataire

🇪🇸 soltero

🇹🇷 bekar

🇰🇷 싱글톤

🇸🇦 أعزب

🇨🇿 singl

🇸🇰 jednotlivec

🇨🇳 单身

🇸🇮 samec

🇮🇸 einleiki

🇰🇿 бойдақ

🇬🇪 მარტოხელა

🇦🇿 tək

🇲🇽 soltero

Etymology

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.