error: Semantic Issue: Interface type cannot be statically allocated
转自：http://hongmin118.iteye.com/blog/1333524
error: Semantic Issue: Interface type cannot be statically allocated
出现这个错误的原因是
接口声明对象时(我这么一说，大家应该懂我意思吧)，必须声明为引用，即指针
Car car = [[Car alloc] init];
改为 Car *car = [[Car alloc] init];
