测试List时候出现错误

@Component

public class BeanInvoke {

@Autowired

private List <BeanInterface> list;

public void say(){

if(null!=list && list.size()!=0){

for(BeanInterface bean:list){

System.out.println(bean.getClass().getName());

}

}

else{

System.out.println("list is null!");

}

}

}