Java by API/java.lang.annotation/Retention

java.lang.annotation.Retention (how long annotations with the annotated type are to be retained)

     
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@Retention(RetentionPolicy.RUNTIME)
@interface MyAnnotation {
  String stringValue();
  int intValue();
}
public class Main {
  @MyAnnotation(stringValue = "Annotation Example", intValue = 100)
  public static void myMethod() {
  }
}