1. 解释“invalid type for annotation member”错误的含义 “invalid type for annotation member”错误是指在Java中使用注解(Annotations)时,为注解的成员指定了一个不被支持的类型。在Java中,注解的成员只能是基本数据类型(如int、boolean等)、String、Class、枚举类型、注解类型以及这些类型的数组。如果尝试使用其他...
除了以上标示,其他类型编译都会出错: invalid type of annotation member。下面分别对以上几种类型作个简单的描述:1. A primitive type : 基本类型(java的八种基本类型:byte、short、int、long、float、double、char、boolean)2. String : 字符串3. Class :Class4. Anenumtype : 枚举5. An annotation type :注...
An annotation type :注解 An array type :类型为以上任一类型的数组 @Retention(RetentionPolicy.RUNTIME)@Target({ElementType.METHOD})public@interfaceDemo{//1. 基本类型(java的八种基本类型:byte、short、int、long、float、double、char、boolean)intaaa();//2. String : 字符串Stringstr();//3. Class :...
Java注解annotation : invalid type of annotation member 1、什么是invalid type of annotation member 字面意思是,这是一个无效的注解成员类型,虽然用户可以自己定义注解,但是自定义注解中能够包含哪些类型是有限制的 2、哪些类型是合法的 A primitive type String Class An enum type An annotation type An array t...
The type of 'value' must be ValueType. 如何排查问题 如何查看或导出持久化数据? 如何获知数据存储沙箱路径? 插入数据之后,RDB数据库的wal文件体积异常 用户首选项是线程安全的吗 为什么在关系型数据库中调用deleteRdbStore函数后并未真实删除数据库,对数据库的操作依旧可用 HarmonyOS应用数据存储仍采用...
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Throw syntax errorDid not expect a type annotation here.. Babel Configuration (babel.config.js, .babelrc, package.json#babel, cli command, .eslintrc) Environment @babel/parser:7.12.0 Possible Solution Additional context Found from working onprettier/prettier#9408 ...
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Info: This isn't a type. external factory A(); ^ q.dart:10:11: Error: Can't use 'A' because it is declared more than once. main() => A(); ^ q.dart:6:7: Error: `@staticInterop` classes should also have the `@JS` annotation. ...