// IV5: the IV series continues

// The following code creates an "infinite loop" (kind of).
// Why? Creating an object from the subclass means the constructor of
// the superclass is called which means another object from class $B$
// is created which means.....

// The lesson? Be careful where and when you create objects.

public class iv5 {
    public static void main(String[] args) {
	new A();
    }
}

class A { B b = new B(); }
class B extends A { }