接口例子

来源：互联网发布：用友软件试用版下载编辑：程序博客网时间：2024/06/10 01:47

interface PCI
{
void start();
void stop();
}

class VedioCard implements PCI
{
public void start()
{
  System.out.println("start vedio--- ");
}
public void stop()
{
  System.out.println("stop vedio-----");
}
}
class SoundCard implements PCI
{
public void start()
{
  System.out.println("sound card is du du ----");
}
public void stop()
{
  System.out.println("Sound card stop du du----");
}
}
class Mainbord
{
public void useVedioCard(VedioCard vc)
{
  vc.start();
  vc.stop();
}
public void useSoundCard(SoundCard sc)
{
  sc.start();
  sc.stop();
}
public void usePCI(PCI pci)
{
  pci.start();
  pci.stop();
}
}
class assmbrd
{
public static void main(String args[])
{
  Mainbord md = new Mainbord();
  VedioCard vc = new VedioCard();
  SoundCard sc = new SoundCard();
  md.useVedioCard(vc);
  md.useSoundCard(sc);
  md.usePCI(new PCI()
  {
   public void start()
   {
    System.out.println("Test PCI start");
   }
   public void stop()
   {
    System.out.println("Test PCI stop");
   }
  }
  );
}
}