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private constructor
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aakash bhatt
Ranch Hand
Joined: Jan 09, 2003
Posts: 182
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what is the use of private constructor
Regards,
aakash
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Ernest Friedman-Hill
author and iconoclast
Marshal
Joined: Jul 08, 2003
Posts: 24057
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A class with a private constructor can't be instantiated by code outside that class. There are many uses for this: either to prevent a class from being instantiated altogether (java.lang.System, java.lang.Math) or to control the circumstances under which it's created (java.lang.reflect.Method).
A common application of this in user code is to let you create a Singleton -- a class of which only one instance can possibly exist.
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[Jess in Action][AskingGoodQuestions]
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Rob Michaelson
Ranch Hand
Joined: Jul 15, 2003
Posts: 36
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I found a good glossary from SUN that mat help with terms
http://java.sun.com/docs/glossary.html#P
Rob
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subject: private constructor
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