RFR: 8305157: The java.util.Arrays class should be declared final

Wed Mar 29 16:38:32 UTC 2023

On Wed, 29 Mar 2023 08:13:06 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> Non-instantiable utility classes should be declared `final` and have a private constructors. 
> 
> See Effective Java, Third Edition, Joshua Bloch (for example, Item 19 or Item 22).

> 

There are numerous examples in the JDK where we have the lone private constructor throw an exception to make sure the class isn't instantiated.

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PR Comment: https://git.openjdk.org/jdk/pull/13221#issuecomment-1488934132