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];
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];
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