// Fig. 6.12: EmployeeTest.java // Test Employee class with static class variable, // static class method, and dynamic memory. import java.awt.Graphics; import java.applet.Applet; public class EmployeeTest extends Applet { public void paint( Graphics g ) { g.drawString( "Employees before instantiation: " + Employee.getCount(), 25, 25 ); Employee e1 = new Employee( "Susan", "Baker" ); Employee e2 = new Employee( "Bob", "Jones" ); g.drawString( "Employees after instantiation: " + e1.getCount(), 25, 40 ); g.drawString( "Employee 1: " + e1.getFirstName() + " " + e1.getLastName(), 25, 70 ); g.drawString( "Employee 2: " + e2.getFirstName() + " " + e2.getLastName(), 25, 85 ); // mark objects referred to by e1 and e2 // for garbage collection e1 = null; e2 = null; System.gc(); // explicit call to garbage collector g.drawString( "Employees after garbage collection: " + Employee.getCount(), 25, 115 ); } }