Implement the Singleton class using the Enum approach to create a thread-safe Singleton instance without the need for lazy initialization or explicit locking.
Write a program to demonstrate that the Singleton instance is created only once and accessed safely by multiple threads using the Enum approach.
Implement the Singleton class using the Enum approach to create a thread-safe Singleton instance without the need for lazy initialization or explicit locking.
Write a program to demonstrate that the Singleton instance is created only once and accessed safely by multiple threads using the Enum approach.