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Re: Java 8 Lambda with generic types

From Steven Simpson <ss@my.domain.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: Java 8 Lambda with generic types
Date 2016-08-28 15:00 +0100
Organization A noiseless patient Spider
Message-ID <jd7b9d-imi.ln1@s.simpson148.btinternet.com> (permalink)
References <df44fc1a-9d48-4ba8-890e-a687d24062a9@googlegroups.com> <cf527430-e940-4ba7-9579-096d1c80bd84@googlegroups.com> <npuiub$1a5i$1@gioia.aioe.org>

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On 28/08/16 12:46, Arne Vajhøj wrote:
> I think the problem really is in your checkToy method.
>
> The following works fine:
>
> import java.util.Arrays;
> import java.util.List;
>
> public class GenFun {
>     public static interface Toy<E> {
>         public List<E> get();
>     }
>     public static <E> void checkToy(Toy<E> toy) {

I found that worked too, but what is the difference between that and 
<?>, when E is only referenced once?


-- 
ss at comp dot lancs dot ac dot uk

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Thread

Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-27 23:50 -0700
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 00:02 -0700
    Re: Java 8 Lambda with generic types Arne Vajhøj <arne@vajhoej.dk> - 2016-08-28 07:46 -0400
      Re: Java 8 Lambda with generic types Steven Simpson <ss@my.domain.invalid> - 2016-08-28 15:00 +0100
        Re: Java 8 Lambda with generic types Lew <lewbloch@gmail.com> - 2016-08-30 22:25 -0700
          Re: Java 8 Lambda with generic types Steven Simpson <ss@my.domain.invalid> - 2016-08-31 17:19 +0100
  Re: Java 8 Lambda with generic types Steven Simpson <ss@my.domain.invalid> - 2016-08-28 08:19 +0100
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 03:26 -0700
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 07:45 -0700
    Re: Java 8 Lambda with generic types Arne Vajhøj <arne@vajhoej.dk> - 2016-08-28 13:22 -0400
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 07:57 -0700
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 10:43 -0700
    Re: Java 8 Lambda with generic types Arne Vajhøj <arne@vajhoej.dk> - 2016-08-30 20:35 -0400
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-09-02 15:18 -0700

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