1. package com.atguigu.java2;
    3. import java.lang.annotation.Retention;
    4. import java.lang.annotation.RetentionPolicy;
    5. import java.lang.annotation.Target;
    7. import static java.lang.annotation.ElementType.*;
    9. /**
    10.  * @author Dxkstart
    11.  * @create 2021-06-07 13:51
    12.  */
    13. @Target({TYPE,FIELD,METHOD,PARAMETER,CONSTRUCTOR,LOCAL_VARIABLE})
    14. @Retention(RetentionPolicy.RUNTIME)
    15. public @interface MyAnnotion {
    16.     String value() default "hello";
    17. }