package interfaceDemo;

interface Equipment_specifications{

	void DoWork();

}

class MBorad{//主板

	private  static  int index;//定义一个变量

	private static Equipment_specifications[] es=new Equipment_specifications[6];//创建一个长度为6的数组

	public static void  pluginIn( Equipment_specifications usb){

		if(index==es.length){

			System.out.println("设备接口已经插满！");

			return;

		}

		es[index]=usb;

		index++;

	}

	public static void Operation() {

		// TODO 自动生成的方法存根

		for(Equipment_specifications usb : es){

			if(usb != null){

				usb.DoWork();

			}

		}

	}

}

class Mouse implements Equipment_specifications{//USB鼠标

	@Override

	public void DoWork() {

		// TODO 自动生成的方法存根

		System.out.println("我在实现点击！");

	}

}

class Printer implements Equipment_specifications{//USB打印机

	@Override

	public void DoWork() {

		// TODO 自动生成的方法存根

		System.out.println("我在实现打印文字！");

	}

}

public class MotherBorad {

	public static void main(String[] args) {

		// TODO 自动生成的方法存根

		 MBorad.pluginIn(new Printer());

		 MBorad.pluginIn(new Mouse());

		 MBorad.pluginIn(new Mouse());

		 MBorad.pluginIn(new Mouse());

		 MBorad.pluginIn(new Mouse());

		 MBorad.pluginIn(new Mouse());

		 MBorad.pluginIn(new Mouse());

		 MBorad.Operation();

	}

}