class A
{
    int x = 1;
    void f() { System.out.printf("A.f(), x is %d\n",x); }
}

class B extends A
{
    int x = 2;
    void f() 
     { System.out.printf("B.f(), x is %d, super.x is %d\n",x,super.x); }
    void g() { super.f(); }
}

public class runtype
{
    public static void main(String[] args)
    {
	A obj = new B();
	obj.f();
	((A)obj).f();  // still uses B.f()

        // if this were perl, you can say "bless obj A", and change its type!

	//obj.g();   // error, static type doesn't contain g
        ((B)obj).g();  // calls A.f(), so A.f() still "in" object.
	System.out.printf("1/3 is %.9f\n",1/3.0);
    }
}

/*
prints B.f(), x is 2
       B.f(), x is 2

*/