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From: Eric Sosman <esosman@comcast-dot-net.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: Compare generics (that are numbers)
Date: Wed, 29 Jul 2020 13:48:28 -0400
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On 7/29/2020 11:19 AM, Cecil Westerhof wrote:
> I have a class that starts with:
>      abstract class CalcValuesGeneric<E> {
> 
> E will be Integer, int, Float or float. (For now, but always a Number.)
> What is the best way to determine which of the two is lower?

     Aside: How can you get `<E>' to be `<int>' or `<float>'?  Is that
something new?  I'm still on Java 8, but the JLS for 14 says "Seq<int>
is illegal, as primitive types cannot be type arguments." (4.5)

     Anyhow, could you use `CalcValueGeneric<E extends Comparable<E>>'
(double-check my syntax)?  That would at least handle Integer/Integer
and Float/Float, though it wouldn't help with Integer/Float.

-- 
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