Singleton: Difference between revisions
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J: minor clarification
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In J, all classes are singletons though their objects are not. (Class names may be used in any context where object references may be used.)
Singletons should not have a constructor so any attempt to construct an instance of a singleton (dyadic <code>conew</code>) would fail. Other than that, singletons are defined like any other class in J.
=={{header|Java}}==
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