工厂方法的设计模式

//接口的应用：工厂方法的设计模式
public class TestFactoryMethod {
    public static void main(String[] args) {
        IWorkFactory i = new StudentWorkFactory();
        i.getWork().doWork();
        
        IWorkFactory i1 = new TeacherWorkFactory();
        i1.getWork().doWork();
    }
}

interface IWorkFactory{
    Work getWork();
}
class StudentWorkFactory implements IWorkFactory{

    @Override
    public Work getWork() {
        return new StudentWork();
    }
    
}
class TeacherWorkFactory implements IWorkFactory{

    @Override
    public Work getWork() {
        return new TeacherWork();
    }
    
}

interface Work{
    void doWork();
}

class StudentWork implements Work{

    @Override
    public void doWork() {
        System.out.println("学生写作业");
    }
    
}
class TeacherWork implements Work{

    @Override
    public void doWork() {
        System.out.println("老师批改作业");
    }
    
}