Java by API/java.lang.annotation/RetentionPolicy

RetentionPolicy: RetentionPolicy.RUNTIME (recorded by the compiler and retained by the VM at run time)

     

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() {
  }
}