Shulou(Shulou.com)05/31 Report--

This article mainly introduces the relevant knowledge of the usage of annotations in java8, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this article on the usage of annotations in java8. Let's take a look at it.

1. Define wrapper comments, including an array of actual comments.

Interface Hints {Hint [] value ();} @ Repeatable (Hints.class) @ interface Hint {String value ();}

2. Annotation container.

Hints ({@ Hint ("hint1"), @ Hint ("hint2")}) class Person {}

3. Repeatable notes. The java compiler can automatically set @ Hint internally. This is important for reading comment information through reflection.

@ Hint ("hint1") @ Hint ("hint2") class Person {} this is the end of the article on "what are the uses of annotations in java8". Thank you for reading! I believe you all have a certain understanding of the knowledge of "what is the use of annotations in java8". If you want to learn more, you are welcome to follow the industry information channel.

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