public class AddressBookTest { public static void main(String[] args){ Person p1 = new Person("Kasper Osterbye", 1961); Person p2 = new Person("Kipper Osterbye", 1941); Notebook ab = new Notebook(); ab.note(p2, "Lamelas, Regeoa, Cedeira, " + "La Coruna, Spain"); System.out.println("Lookup of p1 is:\n" + p1 +" -> " + ab.lookup(p1) ); System.out.println("Lookup of p2 is:\n" + p2 +" -> " + ab.lookup(p2) ); Person p3 = new Person("Kipper Osterbye", 1941); System.out.println(" p2 == p3 " + (p2 == p3) ); System.out.println(" p2 equals p3 " + p2.equals(p3) ); System.out.println("Lookup of p3 is:\n" + p3 +" -> " + ab.lookup(p3) ); } }