| Origin: | Gof 95 | |||
| Reason: | Ensure that at most one instance of a certain class is created. | |||
| Synopsis: | Define a class with a private constructor and a public static getInstance method that always return the same instance. | |||
| Example: | An applet class that ensures that no more than one audioclip is played at a time. | |||
| Solution: |
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| See also: |
Immutable |
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| Note: | Java serialization, concurrency, and garbage collection make this a "weak" pattern. |