INTERVIEW QUESTIONS J2EE JAVA DETAILS

Question: What do you meant by private constructor? why somebody declare only private constructor.

Answer: One can delcare a private constructor for maintining the object creation ... maybe it just wants the object to be created once .... or maybe using a static method such as getInstance() one can give access to constructor which is private....Basically to control number of objects of classes

One can delcare a private constructor for maintining the object creation ... maybe it just wants the object to be created once .... or maybe using a static method such as getInstance() one can give access to constructor which is private....Basically to control number of objects of classes Source: CoolInterview.com

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