public class Driver
{
    public static void main(String [] args)
    {
	Foo f = null;
	/* 
        JT: Students are supposed to write the code so that when 
        a method of f is called but the reference is null, the 
        null pointer exception will be caught and an appropriate 
        status message appears.

        Hint: The exception type that you are to 'catch' is a 
        NullPointerException and you structure your exception 
        handling mechanism in fashion similar to the previous 
        examples.
     */
    }
}