// File: TestPoly2.java
//
// Author: Rahul Simha
// Created: Sept 16, 1998
// Modified: Sept, 2008
//
// Illustrates casting among objects.

class Customer extends Person {
  
  // New data.
  int loyalty;   // Number of years as customer.

  // New constructor.
  public Customer (String nameIn, String ssnIn, int loyaltyIn)
  {
    // This is like calling Person (nameIn, ssnIn).
    super (nameIn, ssnIn);

    // Subclass data.
    loyalty = loyaltyIn;
  }

  // Override toString()
  public String toString ()
  {
    return "Customer: name=" + name + ", " + loyalty +
           " years with the company";
  }
  
  // Accessor:
  public int getLoyalty ()
  {
    return loyalty;
  }

} // End of class "Customer"



// Testing.

public class TestPoly2 {

  public static void main (String[] argv)
  {
    Customer c = new Customer ("Gullible Gus", "555-55-5678", 5);

    // Automatic cast.
    Person p = c;   

    // Explicit cast required.
    Customer c2 = (Customer) p;

  }
} // End of class "TestPoly2"