class - What does the syntax mean in Java: new Stream<Integer>(){ ... }? -


I have encountered the following Java syntax, which I do not know.

This part is fine: 

  Public abstract class stream & lt; T & gt; Uses the IETATOR & lt; T & gt; {Next in Public Boolean () {Back is true; } Public Zero removal () {new runtime exception ("unsupported operation"); }}

But I do not get it: 

  stream

What is this?

This is providing an inline (anonymous) stream class sub -category.

Functionally, this is the same: 

  Public nuclest stream {public integer next} {return 1; }}

and 

  zero something MethodInAnotherClass {stream stream = new NewClass (); }

But the definition method of this class is not used outside the body, you can define it as an anonymous form.


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