#BlueJ class context comment0.target=class\ Addressbook comment1.params=p\ address comment1.target=void\ note(Person,String) comment1.text=pre\:\ address\ and\ p\ are\ not\ null\npost\:\ address\ of\ person\ has\ been\ registered\ in\naddress\ book\n\n comment2.params=p comment2.target=String\ lookup(Person) comment2.text=pre\:\ p\ is\ not\ null\npost\:\ return\ is\ the\ address\ of\ p,\ or\ null\nif\ p\ is\ not\ in\ the\ address\ book\n\n comment3.target=addresses numComments=4