Java typical usage of Void autoboxing type -

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• uses java void reference type? 11 answers

what practical usage of void reference type in java? how can me in practical programming?

it useful need return object type (e.g. if return type generic), "return nothing" natural thing do, e.g.

class mycallable implements callable<void> {   @override public void call() {     // ... whatever     return null;   } }