Informasi dan Pengetahuan

// 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( "Empployees 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 coount 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 Employess
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

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