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what is the use of declaring constructor as private?

Answers were Sorted based on User's Feedback



what is the use of declaring constructor as private?..

Answer / ranganathkini

By declaring the class constructor as private, other classes
cannot create instances of the class.

This design is usually used in singleton patterns.

Is This Answer Correct ?    22 Yes 2 No

what is the use of declaring constructor as private?..

Answer / ranganathkini

By making all the constructors of a class private, you can
also prevent other class from extending the class without
marking the class final.

Is This Answer Correct ?    9 Yes 6 No

what is the use of declaring constructor as private?..

Answer / suganya

prevent to access by other class even sub class cant have
permission to create object of that base class.

Is This Answer Correct ?    3 Yes 0 No

what is the use of declaring constructor as private?..

Answer / ravikiran

In order to restrict the class to get subclassed

Is This Answer Correct ?    6 Yes 6 No

what is the use of declaring constructor as private?..

Answer / anshul

A private constructor is a special instance constructor. It is commonly used in classes that contain static members only. If a class has one or more private constructors and no public constructors, then other classes (except nested classes) are not allowed to create instances of this class.

Is This Answer Correct ?    0 Yes 1 No

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