OnJava8-Examples/annotations/SimulatingNull.java

// annotations/SimulatingNull.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
import java.lang.annotation.*;

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface SimulatingNull {
  int id() default -1;
  String description() default "";
}