www.pudn.com > ThinkinginJava4thEdition(SourceCode).zip > UseCase.java

//: annotations/UseCase.java 
import java.lang.annotation.*; 
 
@Target(ElementType.METHOD) 
@Retention(RetentionPolicy.RUNTIME) 
public @interface UseCase { 
  public int id(); 
  public String description() default "no description"; 
} ///:~