package one;

public class A
   {

   // has implied default constructor

   protected int p;

   }

////////////////////////////////

package two;
import one.A;

class B extends A
   {

   void myMethod()
      {
      p = 1; // ok
      A a = new A();
      a.p = 1; // not ok, p would have to be public for this to work.
      }

   }