Answer / rakesh

Private constructor can be used if we do not want any other
class to instantiate the class. This concept is generally
used in Singleton Design Pattern. The instantiation of such
classes is done from a static public method.

Answer / rajib

Whenever we r using singleton class then we use constructor
as private.

Answer / deep chandra harbola

private constructor are used to create Sinleton class.
example logger class
for singleton class only one object can be created.
by default member of singleton class are static.
singleton class can not be inherited.

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