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facebookarchive / nailgun

Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.
https://github.com/facebook/nailgun
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Feature/ng constants no public constructor #193

Closed mrk-andreev closed 4 years ago

mrk-andreev commented 4 years ago

Utility classes should not have public constructors

Utility classes, which are collections of static members, are not meant to be instantiated. Even abstract utility classes, which can be extended, should not have public constructors.

Java adds an implicit public constructor to every class which does not define at least one explicitly. Hence, at least one non-public constructor should be defined.