public class PolymorphismTest
1: // Fig. 10.1: PolymorphismTest.java
2: // Assigning superclass and subclass references to superclass and
3: // subclass variables.
4:
5: public class PolymorphismTest
6: {
7: public static void main( String args[] )
8: {
9: // assign superclass reference to superclass variable
10: CommissionEmployee3 commissionEmployee = new CommissionEmployee3(
11: "Sue", "Jones", "222-22-2222", 10000, .06 );
12:
13: // assign subclass reference to subclass variable
14: BasePlusCommissionEmployee4 basePlusCommissionEmployee =
15: new BasePlusCommissionEmployee4(
16: "Bob", "Lewis", "333-33-3333", 5000, .04, 300 );
17:
18: // invoke toString on superclass object using superclass variable
19: System.out.printf( "%s %s:\n\n%s\n\n",
20: "Call CommissionEmployee3's toString with superclass reference ",
21: "to superclass object", commissionEmployee.toString() );
22:
23: // invoke toString on subclass object using subclass variable
24: System.out.printf( "%s %s:\n\n%s\n\n",
25: "Call BasePlusCommissionEmployee4's toString with subclass",
26: "reference to subclass object",
27: basePlusCommissionEmployee.toString() );
28:
29: // invoke toString on subclass object using superclass variable
30: CommissionEmployee3 commissionEmployee2 =
31: basePlusCommissionEmployee;
32: System.out.printf( "%s %s:\n\n%s\n",
33: "Call BasePlusCommissionEmployee4's toString with superclass",
34: "reference to subclass object", commissionEmployee2.toString() );
35: } // end main
36: } // end class PolymorphismTest
37:
38: /**************************************************************************
39: * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and *
40: * Pearson Education, Inc. All Rights Reserved. *
41: * *
42: * DISCLAIMER: The authors and publisher of this book have used their *
43: * best efforts in preparing the book. These efforts include the *
44: * development, research, and testing of the theories and programs *
45: * to determine their effectiveness. The authors and publisher make *
46: * no warranty of any kind, expressed or implied, with regard to these *
47: * programs or to the documentation contained in these books. The authors *
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49: * consequential damages in connection with, or arising out of, the *
50: * furnishing, performance, or use of these programs. *
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