In Spring, singleton scope ensures that only one instance of a bean is created and shared across the application context, reused for all requests.
Singleton scope is the default bean scope in Spring, maintaining one instance for the entire application's lifecycle, serving multiple requests effectively.
Running the demo code illustrates that despite a single instance, a singleton bean can effectively handle multiple parallel requests from different threads.
Thread safety in singleton beans allows them to manage concurrent accesses efficiently, relying on the JVM's capabilities for threading.
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