How can i create only one instance of class and thus doesn't allow creatin

How can i create only one instance of class and thus doesn't
allow creating any more instances?

Question Posted / raghumadhav tirunagari

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How can i create only one instance of class and thus doesn't allow creating any more instances..

Answer / prayag thakkar

If a system only needs one instance of a class, and that
instance needs to be accessible in many different parts of
a system, you control both instantiation and access by
making that class a singleton.

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