--- title: "#singleton-design-pattern articles | Hashnode" description: "Explore 99 articles tagged #singleton-design-pattern on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/singleton-design-pattern" --- Tag # #singleton-design-pattern 99 posts · 3 followers [Ruchir Dixit](https://hashnode.com/@ruchirtdixit) · [Feb 1](https://hashnode.com/posts/design-patterns-in-java-part-1-introduction-and-singleton-pattern/697f17d170075ae91f1d851d) ### [Design Patterns in Java - Part 1: Introduction and Singleton Pattern](https://ruchirstechblogs.hashnode.dev/design-patterns-in-java-part-1-introduction-and-singleton-pattern?utm_source=hashnode&utm_medium=feed) Learn why design patterns matter, understand their types, and explore the Singleton design pattern in Java with thread-safe examples and JVM class loading. 4 min read · [ruchirstechblogs.hashnode.dev](https://ruchirstechblogs.hashnode.dev/design-patterns-in-java-part-1-introduction-and-singleton-pattern?utm_source=hashnode&utm_medium=feed) [Ashish Kashyap](https://hashnode.com/@dev-ashish) · [Jan 31](https://hashnode.com/posts/singleton-pattern-in-java-explained-with-examples/697e37fea907632413295f56) ### [Singleton Pattern in Java – Explained with Examples](https://ashish-kashyap.hashnode.dev/singleton-pattern-in-java-explained-with-examples?utm_source=hashnode&utm_medium=feed) Introduction In software development, there are often situations where it is required to have a single instance of an object or feature that can serve as a global access point for the entire application. Creating more than one instance might result i... 7 min read · [ashish-kashyap.hashnode.dev](https://ashish-kashyap.hashnode.dev/singleton-pattern-in-java-explained-with-examples?utm_source=hashnode&utm_medium=feed) [Oluwaseyi Fatunmole](https://hashnode.com/@foluwaseyi) · [Jan 23](https://hashnode.com/posts/how-to-use-the-singleton-design-pattern-in-flutter-lazy-eager-and-factory-variations/69740b7bc3e68b8de44a179f) ### [How to Use the Singleton Design Pattern in Flutter: Lazy, Eager, and Factory Variations](https://freecodecamp.org/news/how-to-use-the-singleton-design-pattern-in-flutter-lazy-eager-and-factory-variations?utm_source=hashnode&utm_medium=feed) In software engineering, sometimes you need only one instance of a class across your entire application. Creating multiple instances in such cases can lead to inconsistent behavior, wasted memory, or resource conflicts. The Singleton Design Pattern i... 11 min read · [freecodecamp.org](https://freecodecamp.org/news/how-to-use-the-singleton-design-pattern-in-flutter-lazy-eager-and-factory-variations?utm_source=hashnode&utm_medium=feed) [Kartik Mehta](https://hashnode.com/@mehtaaaaaah) · [Dec 20, 2025](https://hashnode.com/posts/the-configuration-chaos/6946f71b28dffe77e7aa1dba) ### [The Configuration Chaos](https://writer.mrmehta.in/the-configuration-chaos?utm_source=hashnode&utm_medium=feed) Fix configuration chaos in Rust! Implement thread-safe Singletons to eliminate memory leaks, reduce database connections, and improve performance. 22 min read · [writer.mrmehta.in](https://writer.mrmehta.in/the-configuration-chaos?utm_source=hashnode&utm_medium=feed) [Maverick](https://hashnode.com/@maverick48) · [Dec 9, 2025](https://hashnode.com/posts/singleton-design-pattern/6937f8c9a22e01b4f104f855) ### [Singleton Design Pattern](https://jyanshu.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed) Explore the Singleton Pattern: implementations, benefits, drawbacks, and best practices in software engineering 20 min read · [jyanshu.hashnode.dev](https://jyanshu.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed) [Gautam Patel](https://hashnode.com/@iamgautam03) · [Oct 26, 2025](https://hashnode.com/posts/singleton-design-pattern/68fda3f33c1fd9adddfa24a2) ### [Singleton Design Pattern](https://iamgautam.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed) Learn the Singleton Design Pattern with easy-to-understand examples. Understand eager vs. lazy initialization, thread safety, pros and cons, and when to use 4 min read · [iamgautam.hashnode.dev](https://iamgautam.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed) [Sahaj Gupta](https://hashnode.com/@itsSahaj) · [Sep 24, 2025](https://hashnode.com/posts/your-own-signals-library-in-python/68d449acc0418b87703b945e) ### [Your own Signals library in Python](https://itsahaj.hashnode.dev/your-own-signals-library-in-python?utm_source=hashnode&utm_medium=feed) Hi 😀 In this blog we are going to build our own python library “Signals” What is this library about? This is a very basic publisher/subscriber implementation where a publisher publishes event (emit) and its subscribers react on those events. somewha... 3 min read · [itsahaj.hashnode.dev](https://itsahaj.hashnode.dev/your-own-signals-library-in-python?utm_source=hashnode&utm_medium=feed) [helio techie](https://hashnode.com/@heliotechie) · [Sep 22, 2025](https://hashnode.com/posts/week-1-the-singleton-pattern-explained-simply/68d16c4460fabe85568f7c07) ### [Week 1: The Singleton Pattern Explained Simply](https://heliotechie.hashnode.dev/week-1-the-singleton-pattern-explained-simply?utm_source=hashnode&utm_medium=feed) Design Patterns Demystified Series 5 min read · [heliotechie.hashnode.dev](https://heliotechie.hashnode.dev/week-1-the-singleton-pattern-explained-simply?utm_source=hashnode&utm_medium=feed) [Uvindu Abeywardhana](https://hashnode.com/@UvindooH) · [Sep 20, 2025](https://hashnode.com/posts/singleton-design-pattern/68ce881646ccc435e3cfa61a) ### [Singleton Design Pattern](https://uvindu-chronicles.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed) Understanding the Singleton Design Pattern 2 min read · [uvindu-chronicles.hashnode.dev](https://uvindu-chronicles.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed) [Nikhil Chandrakar](https://hashnode.com/@nikhilchandrakar) · [Sep 8, 2025](https://hashnode.com/posts/singleton-design-pattern/68be52224b48c2e3130dfeae) ### [Singleton design pattern](https://nikhilchandrakar.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed) Singleton design pattern is one of the most commonly used design patterns. We use singleton design pattern when we need only one instance of a class. For example : Logger : Suppose you are implementing a logging service in your application. All the ... 3 min read · [nikhilchandrakar.hashnode.dev](https://nikhilchandrakar.hashnode.dev/singleton-design-pattern?utm_source=hashnode&utm_medium=feed)