}
public void Display()...{
System.out.println("Dmeng's vediocard is working!");
}
public String getName()...{
return name;
}
}

}
public void Display()...{
System.out.println("Dmeng's vediocard is working!");
}
public String getName()...{
return name;
}
}

编写MainBoard类,调用实现接口(VideoCard)的类(Dmeng):

class MainBoard...{
String strCPU;
VideoCard vc;
void setCPU(String strCPU)...{
this.strCPU=strCPU;
}
void setVideoCard(VideoCard vc )...{
this.vc=vc;
}