package impl;

 import api.HelloClass;

 import api.HelloFieldClass;

 import api.HelloInterface;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public class Main {

     public static void main(String[] args) throws Exception {

         boolean assertionsOn = false;

         assert assertionsOn = true;

         if (!assertionsOn) {

             throw new IllegalStateException("Enable assertions!");

         }

         HelloClass clazz = new ImplClass();

         assert "Hello Unknown!".equals(clazz.sayHello());

         assert "Hello Jaroslav!".equals(clazz.sayHelloTo("Jaroslav"));

         System.err.println("Who defines sayHello(): " + clazz.getClass().getSuperclass().getMethod("sayHello"));

         HelloInterface iface = new ImplInterface();

         assert "Hello Unknown!".equals(iface.sayHello());

         assert "Hello Jaroslav!".equals(iface.sayHelloTo("Jaroslav"));

         System.err.println("Who defines sayHello(): " + iface.getClass().getInterfaces()[0].getMethod("sayHello"));

         HelloFieldClass fieldClass = new HelloFieldClass();

         assert "Hello".equals(fieldClass.field);

         System.err.println("Who defines field: " + fieldClass.getClass().getField("field"));

     }

 }