Web Reference: Feb 11, 2026 Β· The Singleton Design Pattern ensures that a class has only one instance and provides a global access point to it. It is used when we want centralized control of resources, such as managing database connections, configuration settings or logging. Prevents accidental creation of multiple instances. Learn Singleton Design Pattern in Java with examples. Covers lazy loading, thread safety, double-checked locking, and real use cases. A class diagram exemplifying the singleton pattern. In object-oriented programming, the singleton pattern is a software design pattern that restricts the instantiation of a class to a singular instance.
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