Polymorphism - Java Software Solutions: Foundations of Program Design - page 494

LISTING 10.2 continued

staffList[1] = new Employee ("Carla", "456 Off Line",
"555-0101", "987-65-4321", 1246.15);
staffList[2] = new Employee ("Woody", "789 Off Rocker",
"555-0000", "010-20-3040", 1169.23);

staffList[3] = new Hourly ("Diane", "678 Fifth Ave.",
"555-0690", "958-47-3625", 10.55);

staffList[4] = new Volunteer ("Norm", "987 Suds Blvd.",
"555-8374");
staffList[5] = new Volunteer ("Cliff", "321 Duds Lane",
"555-7282");

((Executive)staffList[0]).awardBonus (500.00);

((Hourly)staffList[3]).addHours (40);
}

//-----------------------------------------------------------------
// Pays all staff members.
//-----------------------------------------------------------------
public void payday ()
{
double amount;

for ( int count=0; count < staffList.length; count++)
{
System.out.println (staffList[count]);

amount = staffList[count].pay(); // polymorphic

if (amount == 0.0)
System.out.println ("Thanks!");
else
System.out.println ("Paid: " + amount);

System.out.println ("-----------------------------------");
}
}
}