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Object creation restriction !!!

 
Greenhorn
Posts: 18
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In java how we create object creation restriction ?
I describe it in details.
Ok, there is a class B

now it is described that you can not create more than 5 objects of that class.
My question is that how can i make restriction ?

Please help me.

kaushik saha
 
Ranch Hand
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Make all constructors private and provide static factory method(s) that restrict the number of instances, whether by pooling or by throwing an exception or whatever it is you want to do.
 
Sheriff
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See this article: What's a Singleton? And note the footnote: "The Singleton pattern actually allows for a specified number of instances..."
 
Consider Paul's rocket mass heater.
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