package p1;public class TestFactory {    public static void main(String[] args) {        IWorkFactory i = new TeacherWorkFactory();        i.getWork().doWork();     //Teacher is working        IWorkFactory i2 = new StudentWorkFactory();        i2.getWork().doWork();    //Student is working    }}interface IWorkFactory {    public abstract Work getWork();}class TeacherWorkFactory implements IWorkFactory {    @Override    public Work getWork() {        return new TeacherWork();    }}class StudentWorkFactory implements IWorkFactory {    @Override    public Work getWork() {        return new StudentWork();    }}interface Work {    public abstract void doWork();}class TeacherWork implements Work {    public void doWork() {        System.out.println("Teacher is working");    }}class StudentWork implements Work {    public void doWork() {        System.out.println("Student is working");    }}