(多选题)19: 设有如下代码:
interface IFace{}
class CFace implements IFace{}
class Base{}
public class ObRef extends Base{
public static void main(String argv[]){
ObRef obj = new ObRef();
Base b = new Base();
Object obj1 = new Object();
IFace obj2 = new CFace();
//Here
}
}
则在 //Here处插入哪个代码将不出现编译和运行错误。
A: obj1=obj2;
B: b=obj;
C: obj=b;
D: obj1=b;
(责任编辑:admin)要这答案加QQ:800020900 或加微信:vq800020900 获取