import java.lang.annotation.*; // 定义一个自定义注解 public @interface MyAnnotation { // 在注解中定义属性 String value() default ""; } // 使用自定义注解 class MyClass { // 在类上应用自定义注解 @MyAnnotation(value = "Hello") public void myMethod(){ System.out.println("This is a method with custom annotation."); } } // 获取并处理自定义注解信息 public class MainClass { public static void main(String[] args) throws NoSuchMethodException { // 获取myMethod方法上的所有注解 Annotation[] annotations = MyClass.class.getDeclaredMethod("myMethod").getAnnotations(); for (Annotation annotation : annotations){ if (annotation instanceof MyAnnotation){ MyAnnotation myAnnotation = (MyAnnotation) annotation; // 输出注解的值 System.out.println("Value of the annotation: " + myAnnotation.value()); } } } }
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标签:JAVA,自定义,class,annotation,注解,MyAnnotation,public From: https://www.cnblogs.com/aaronthon/p/17971988