class Foo {

        public Foo () {}
        
        public Foo (FooTest f) {}

        public void whichClassAmI () {
            System.out.println(this.getClass());
        }

        public void say () {
            System.out.println("Foo says: nothing");
        }

        public <T extends Foo> T getAnotherFoo () {
           
            Class<? extends Foo> c = this.getClass();
            Class<?> enc = c.getEnclosingClass();
            if (enc == null) { 
                // for the f3 clone which has no enclosing class
                return (T)new Foo();
            } else {
                // for the f4 clone of the anon subclass instance
                try {
                    T r = (T)(c.getDeclaredConstructor(enc)
                                .newInstance(enc.newInstance()));
                    return r;
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            }
        }

    }