设计模式之简单工厂

package cn.edu.shou.hsh;

public interface Sender {
    void send();
}

package cn.edu.shou.hsh;

public class MailSender implements Sender {

    @Override
    public void send() {
        // TODO Auto-generated method stub
        System.out.println("mail......");
    }

}

package cn.edu.shou.hsh;

public class MessageSender implements Sender {

    @Override
    public void send() {
        // TODO Auto-generated method stub
        System.out.println("message......");
    }

}


package cn.edu.shou.hsh;

public class SenderFactory {
    public static MailSender sendMail(){
        return new MailSender();
    }
    public static MessageSender sendMessage(){
        return new MessageSender();
    }
}


package cn.edu.shou.hsh;

public class Test {

    /**
     * @param args
     * @author hsh
     */

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Sender sender=SenderFactory.sendMessage();//.sendMail();
        sender.send();
    }

}