The tune ( ) method accepts an Instrument reference. However, in Wind.main() the tune() method is handed a Wind reference. Given that Java is particular about type checking, it seems strange that a method that accepts one type will readily accept another type, until you realize that a Wind object is...
Have you ever been sad because of failure? Please remember, for often, achieving what you set out to do is not the most important thing.请问,for这里属于什么用法,该用法除了often可否用其他词。谢谢!
I'm trying to do what is best, but equally I've got to consider the cost.我在想尽力做得最好,但同时我也得考虑费用。问题1: what is best主系表结构算从句吗?问题2: 为什么不用try to do sth best, I'm trying to do what is best 我在尽力做最好的某...