How to proccess annotation member

gistfile1.java

// The annotation
public @interface HelloMessage {
  String value() default "";
}

import java.lang.reflect.Field;

class HelloWorld {
  @HelloMessage("hello")
  public String message;
}

public class Hello {

  public static void main(String...args) throws SecurityException, NoSuchFieldException,
    IllegalArgumentException, IllegalAccessException {

    HelloWorld hw = new HelloWorld();
    hw.message = "world";

    Class<HelloWorld> helloClass = HelloWorld.class;
    Field field = helloClass.getDeclaredField("message");

    String string = field.get(hw.message).toString();
    String value = field.getAnnotation(HelloMessage.class).value();
    System.out.println(string + " " + value);
  }
}