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工厂设计模式中的反射问题

程序员文章站 2022-03-09 20:30:26
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package Reflect;

interface Imessage{
    public void send();
}

class Netmessage implements Imessage{
    @Override
    public void send() {
        System.out.println("Send Net Message.");
    }
}
class CloudMessage implements Imessage{
    @Override
    public void send() {
        System.out.println("Send Cloud Message.");
    }
}
interface Service{
    public void service();
}
class IService implements Service{
    @Override
    public void service() {
        System.out.println("service");
    }
}
class Factory{
    private Factory(){};
    public static <T> T getInstance(String className,Class<T> T) throws Exception {
        T instance=null;
        instance = (T) Class.forName(className).getDeclaredConstructor().newInstance();
        return instance;
    }
}
public class Reflect01 {
    public static void main(String[] args)  throws Exception{
        Imessage msg=Factory.getInstance("Reflection.Reflect.NetMessage",Imessage.class);
        IService msg1=Factory.getInstance("Reflect.CloudMessage",IService.class);
        msg.send();
        msg1.service();

    }
}

相关标签: Java反射 java