8.13 Static member demonstration

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// Fig. 8.13: EmployeeTest.java
// static member demonstration.

public class EmployeeTest
{
    public static void main( String[] args )
    {
        // show that count is 0 before creating Employees
        System.out.printf( "Employees before instantiation: %d\n",
        Employee.getCount() );

        // create two Employees; count should be 2
        Employee e1 = new Employee( "Susan", "Baker" );
        Employee e2 = new Employee( "Bob", "Blue" );

        // show that count is 2 after creating two Employees
        System.out.println( "\nEmployees after instantiation: " );
        System.out.printf( "via e1.getCount(): %d\n",e1.getCount() );
        System.out.printf( "via e2.getCount(): %d\n",e2.getCount() );
        System.out.printf( "via Employee.getCount(): %d\n",
            Employee.getCount());

        // get names of Employees
        System.out.printf( "\nEmployee 1: %s %s\nEmployee 2: %s %s\n",
            e1.getFirstName(), e1.getLastName(),
            e2.getFirstName(), e2.getLastName() );

            // in this example, there is only one reference to each Employee,
            // so the following two statements indicate that these objects
            // are eligible for garbage collection
            e1 = null;
            e2 = null;
    }// end main
} // end class EmployeeTest