7. Under what conditions will the method below terminate without error?

public void foo(String s)

{

if (s.length() < 15)

{

print(s);

}

foo(s + *);

}

8. What does the following method return, given an input of 5:?

public int result(int n)

{

return (n==1) ? 2 : (2 * result(n - 1));

}