在Java程序中，通过类的定义只能实现单重继承，但通过【 】的定义可以实现多重继承关系。
参考答案：接口
解析：Java不支持多重继承，但类可以实现多个接口。
-How do you deal with the disagreement between the company and the customers?
-The key the problem is to meet the demand by the customers. [ ]
A.to solving;making
B.to solving;made
C.to solve;making
D.to solve;made
“独语”散文
