Java Class.asSubclass(Class <U> clazz)

public <U> Class <? extends U> asSubclass(Class <U> clazz)

//w ww . ja  v a  2s.  co m
public class Main {

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

    Main cls = new Main();
    Main subcls = new SubClass1();

    // class Main
    Class c = cls.getClass();
    System.out.println(c);

    // sub class SubClass1
    Class c1 = subcls.getClass();
    System.out.println(c1);

    // represent a subclass of the specified class object
    Class retval = c1.asSubclass(c);

    System.out.println(retval);

  }
}

class SubClass1 extends Main {
  // sub class
}