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Java is what gets called again: <String> <>

What are they called?

 List<String> ids = new ArrayList<String>(sectionIDs);

(the part that is equal to <>)

I know this is a newer Java feature, I just can't remember the name.

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6 answers

These are parameters of type general classes.

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It is called Generics.

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Java generics

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General classes , it already exists in C ++ (if you did not know this).

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This is generic java

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Yes, I was going to say: "These are letters and punctuation marks. Can you ask your question a little more specifically?" But, apparently, a bunch of you understood what exactly he was looking for.

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Source: https://habr.com/ru/post/1300627/

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