Java retention-阿里云

一文搞定java元注解：Target、Retention、Documented、Inherited、Repeatable(JDK1.8新增)

前言：在使用SpringBoot构建项目时，项目的启动类中都会有这个注解：SpringBootApplication，查看这个注解的实现我们可以发现这个注解类的实现也使用了很多其他的注解，其中有四个是java提供的注解他们是：Target、Retention、Documented、Inherited...

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Java中@Retention注解的生命周期大小排序是什么？

Java中@Retention注解的RetentionPolicy的枚举常量RUNTIME表示什么？

Java中@Retention注解的RetentionPolicy的枚举常量CLASS表示什么？

Java中@Retention注解的RetentionPolicy的枚举常量SOURCE表示什么？

Java 中@Retention注解的RetentionPolicy的枚举常量有哪些？

JAVA自定义注释(Target,Retention,Documented,Inherit)

定义自己的注释类型通过添加了一个小小的语法（Tiger 添加了大量的语法结构），Java 语言支持一种新的类型 —— 注释类型（annotation type）。注释类型看起来很像普通的类，但是有一些特有的性质。最明显的一点是，可以在类中以符号（ @ ）的形式注释其他 Java 代码。我将一步一...

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更新时间 2024-02-21 11:01:17

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