July 2001
Beginner to intermediate
368 pages
6h 52m
English
book
Design Patterns Explained: A New Perspective on Object-Oriented Design
by Alan Shalloway, James R. Trott
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Summary
The Singleton and Double-Checked Locking patterns are common patterns to use when you want to ensure that there is only one instance of an object. The Singleton is used in single-threaded applications while the Double-Checked Locking pattern is used in multithreaded applications.