https://prod.jnet.julianscorner.com/ 2026-04-17T12:22:53+00:00 https://prod.jnet.julianscorner.com/ https://prod.jnet.julianscorner.com/_media/wiki/dokuwiki-128.png text/html 2023-09-18T20:00:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://prod.jnet.julianscorner.com/programming/design/singleton Singleton Pattern “Ensure a class only has once instance, and provide a global point of access to it.” The Singleton Pattern is a Creational pattern. In programming, you may need to make sure that there is only one instance of a class running. text/html 2023-09-18T20:00:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://prod.jnet.julianscorner.com/programming/design/start Design Patterns According to Gang of Four, Patterns are one of three types: Behavioral Behavioral patterns help you define the communication between objects in your system and how the flow is controlled in a complex program. Creation Creation patterns are ones that create objects for you, rather than having you instantiate objects directly. This gives your program more flexibility in deciding which objects need to be created for a given case.