How to prevent cloning of a singleton object in Java?
- By declaring the class as final
- By declaring the clone method as final
- By declaring the clone method as private
- By throwing a CloneNotSupportedException in the clone method
The best way to prevent cloning of a singleton object in Java is by throwing a CloneNotSupportedException in the clone method. This will make the class not cloneable and prevent other objects from attempting to create a copy of the singleton object.
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