工厂设计模式

 IWorkFactory.java

 

public interface IWorkFactory {
    Work getWork();
}

 

StudentWorkFactory.java

 

public class StudentWorkFactory implements IWorkFactory {

    @Override
    public Work getWork() {
        // TODO Auto-generated method stub
        return new TeacherWork();
    }

}

 

TeacherWorkFactory.java

 

public class TeacherWorkFactory implements IWorkFactory {

    @Override
    public Work getWork() {
        // TODO Auto-generated method stub
        return new StudentWork();
    }

}

StudentWork.java

public class StudentWork implements Work {

    @Override
    public void work() {
        // TODO Auto-generated method stub
        System.out.println("学生做作业!");
    }

}

TeacherWork.java

 

public class TeacherWork implements Work {

    @Override
    public void work() {
        // TODO Auto-generated method stub
        System.out.println("老师审批作业!");
    }

}

Work.java

 

public interface Work {
    void work();
}

Test.java

 

public class Test {

    public static void main(String[] args) {

        IWorkFactory studentWorkFactory = new StudentWorkFactory();
        studentWorkFactory.getWork().work();

        IWorkFactory teacherWorkFactory = new TeacherWorkFactory();
        teacherWorkFactory.getWork().work();
    }
}