Five Common Design Patterns in Object-Oriented Programming

Singleton Pattern Ensures a class has only one instance and provides global access to it. This avoids repeated instantiation of resource-heavy objects like database connections or logging services. public class Logger { private static volatile Logger instance; private Logger() {} public static Logger getInstance() { if (in ...

Posted on Sat, 09 May 2026 04:41:49 +0000 by storyboo