(Enter summary)
Abstract: Factory:
no #families"; not averse to instantiating a
concrete class
# Builder:
we're not
varying
the creation process
# Factory Method:
see
Abstract Factory
# Prototype:
can't leave prototypes lying around
# Singleton:
need
#
1
User
object...
53
Multi-User Protection #cont'd#
Singleton
object creational
Intent
ensure a class only ever has one instance, and provide a global point of access
to it.
Applicability
#
when there must be exactly one instance of a class, and it... (Update)
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BibTeX entry: (Update)
@misc{ vlissides-designing,
author = "John Vlissides",
title = "Designing with Patterns",
url = "citeseer.ist.psu.edu/394714.html" }
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